These optoelectroncis mounts are designed for use with all of our 3- and 4-pin pigtailed TO can laser diodes. The LabVIEW tutorial, provided below, provides some information on using the .NET controls to create control GUIs for Kinesis- and APT-driven devices within LabVIEW. Laser Diode Drive Circuitry. L820P200 - Laser Diode from Thorlabs Inc. Get product specifications, Download the Datasheet, Request a Quote and get pricing for L820P200 on GoPhotonics The effects may range from immediate and permanent damage—caused by the burning up of the diode—to a shortened diode life span. How closely will the power be controlled (1%, 0.01mW)? Laser diode drivers provide laser diodes with the required electrical current, with the amount of current controlled by the user or some automatic apparatus. The Interlock must be shorted to the ground before the laser can be enabled. Combined controller and mount for pigtailed laser diodes in TO can packages with B, C, or H pin codes only. Thorlabs offers compact laser modules equipped with a USB connector, phono jack, or bare wire leads. Thorlabs specializes in the building blocks for laser and fiber optic systems. Interlock, Keylock Switch, Laser Current Limit, Soft Start, Short Circuit when Laser Off, Pigtailed TO-Can Laser Diodes with A, D, E, or G Pin Codes (Item # CLD1010LP), Connector for Interlock & Laser On Signal, Desktop Power Supply, Line Voltage, Line Frequency, 111 mm x 73.5 mm x 153.3 mm (4.37" x 2.9" x 6.04"), 111 mm x 73.5 mm x 169.9 mm (4.37" x 2.9" x 6.69"). In that event, the circuit will further increase the amount of current through the TEC (integral control) by looking at the previous errors and adjusting the output in order to reach the desired value. However, this procedure is done actively (the PID controller turned on and properly attached to the system) and requires some amount of experience to fully integrate. Power Supply OptionsThe preferred power supply (single channel, multi-channel, or hub-based) depends on the end user's application and whether you already own compatible power supplies. Furthermore, a short circuit must be applied across the interlock terminals of the LD OUT connector (pins 1 and 5 - see Fig. Top Panel Display Screen and Controls for Standalone Operation, USB Connectivity for PC Operation with Kinesis, Two External Trigger Ports (SMA Connectors), Compact Footprint: 121.0 mm x 60.0 mm x 47.0 mm (4.76" x 2.36" x 1.85"), Power Supply Sold Separately (See Options Below), TPS002: For up to Two K-Cubes™ or T-Cubes™ with Mini-DIN Input*, USB Controller Hubs Provide Power and Communications, KCH301: For up to Three K-Cubes or T-Cubes. The KLD101 also enables the maximum drive current current to be set to prevent damage to the laser diode by accidental overdriving. Compact, All-in-One Current Sources, Temperature Controllers, and Mounts, Compatible with Thorlabs’ Pigtailed TO Can Lasers, Touch Screen Controlled and Remotely Programmable, Integrated Mounts Compatible with Thorlabs' Pigtailed TO Can Laser Diodes, CLD1010LP: Compatible with Pin Codes A, D, E, and G, CLD1011LP: Compatible with Pin Codes B, C, and H, Operate in Constant Current or Constant Power Mode, Controlled Locally with Resistive Touch Screen GUI or Remotely over USB, Supports Laser Diode Drive Currents up to 1.0 A at 8.0 V, Temperature-Controlled Laser Operation through Built-In TEC, Compact Size: 111 mm x 73.5 mm x 169.9 mm (4.37" x 2.9" x 6.69"), RF Input for Modulating the Laser via an External Source. Thorlabs' Compact Laser Diode and Temperature Controllers are complete driver packages designed to drive and cool TO can fiber-coupled laser diodes. Our semiconductor laser diodes come in a variety of packages, including standard … What is the accuracy of the photodiode current reading? For details regarding the photodiode current settings, please refer to page 23 of the manual: http://www.thorlabs.de/Thorcat/17800/17874-D01.pdf . The CLD1010LP and CLD1011LP are configured through an intuitive two-level menu structure. It encompasses typing, imperative, declarative, functional, generic, object-oriented, and component-oriented programming. Here are several questions. Hello, thank you for contacting Thorlabs. If you increase the derivative gain too much, you will see large overshoot (due to the circuit being too slow to respond). Connection CablesA CAB400 cable is required to connect the K-Cube laser diode controller to a Thorlabs Laser Diode Mount. Two mounting clips, compatible with 1/4"-20 and M6 bolts, are supplied with each laser diode driver to secure it to a breadboard. This is a response from Stefan at Thorlabs. Please use the pin diagrams below to classify your specific laser diode package and verify CLD1010LP compatibility. Without it, the diode can experience operating temperature swings resulting from the unstable injection of current. A PID controller will generate the error signal and then change the MV to reach the desired result. I expect the photodiode current to be between 50 and 500 uA. For screenshots of the interface, please see the Display tab. Pin 1 is the anode, pin 2 is the cathode. A power switch on the front of the unit turns the K-Cube on and off, and the LCD screen displays information and settings upon startup, with or without a PC. The laser diode is always driven with respect to ground. Combined controller and mount for laser diodes in butterfly packages only. Many Thanks in advance! We have reached out to you directly to discuss this. The output of the PID control circuit, u(t), is given as, whereKp= Proportional GainKi = Integral GainKd = Derivative Gaine(t) = SP - PV(t). So frustrating!! We also offer a variety of OEM and rack-mounted laser diode current & temperature controllers (OEM Modules, PRO8 Current Control Rack Modules, and PRO8 Current and Temperature Control Rack Modules). In addition to manufacturing a wide variety of active optical devices, Thorlabs is equipped to deliver customized laser diode, superluminescent diode, and semiconductor optical amplifier modules in OEM quantities. By playing with the gain settings, you can maximize the performance of your PID circuit, resulting in a circuit that quickly responds to changes in the system and effectively damps out oscillation about the SP value. Please note that only laser diodes with pin codes that include a photodiode can be operated in constant power mode. C#This programming language is designed to allow multiple programming paradigms, or languages, to be used, thus allowing for complex problems to be solved in an easy or efficient manner. A, D, E, and G Pin Codes Shown with Pigtailed Laser Diode (Not Included), Main Operation Panel in Constant PowerOperating Mode. A thermistor is used to monitor the temperature of the laser diode, and the voltage over the thermistor is used as the Process Variable (PV). See section 3.6 in the. It features top-panel controls that support both constant current and constant power operation modes. Response from Tor at Thorlabs to Mark: We will be contacting you directly to answer your questions. With these clips attached, the unit is 165 mm wide. Also found here is our selection of semiconductor optical amplifiers and gain chips. Thus, for even small sustained error, a large aggregated integral response can be realized. OEM Laser Diode & TEC Systems The laser diode / LED drivers offered on this page are ideal for applications that require the controller to be integrated into a larger system. If you increase this gain too much, you will observe significant overshoot of the SP value and instability in the circuit. Note that these K-Cube drivers occupy two mounting bays on the USB controller hubs.All power supply options compatible with the K-Cube laser diode driver can be found below. It features top-panel controls that support both constant current and constant power operation modes. Our light sources are conveniently separated into coherent and incoherent sources. Please use the pin diagrams below to classify your specific laser diode package and verify CLD1011LP compatibility. Compatible with Thorlabs' Laser Diode and TEC Controllers; This web page contains Thorlabs' UV laser diode with a center wavelength at 375 nm. Unlike proportional and integral control, derivative control will slow the response of the circuit. Recently, the fiber was broken by mistake and we are wondering how to fix this problem. Derivative control attempts to reduce the overshoot and ringing potential from proportional and integral control. If I set ILim to actual maximum laser current I have to apply -10V to drive laser current to 0mA. A magnetically sealed lid encloses the laser package in the unit, protecting it from particulates and other lab hazards. The software download page also offers programming reference notes for interfacing with compatible controllers using SCPI, LabVIEW, Visual C++, Visual C#, and Visual Basic. The tables below are designed to give a quick overview of the key specifications for our laser diode controllers and dual diode/temperature controllers. OEM laser diode current and temperature controllers are also available. In comparison to driver designs that require a floating ground, this grounded operation of the laser diode offers advantages regarding … The TCM1000T is designed to provide TEC control for laser diodes. When fully assembled, these compact devices measure just 4.37" x 2.9" x 6.69" (111 mm x 73.5 mm x 169.9 mm), ideal for tightly packed setups. Could it be even more silly??? The output power, measured by the monitor diode, is also displayed. Operating Voltage 10 mW is 5.0 volts, typical. Laser Diodes by Wavelength Laser diodes, which are capable of converting electrical current into light, are available from Thorlabs with center wavelengths in the 375 - 2000 nm range and output powers from 1.5 mW up to 3 W. We also offer Quantum Cascade Lasers (QCLs) with center wavelengths ranging from 4.05 to 11.00 µm. Again, you’ll want to set the integral and derivative gain to zero. The FPL1053P from Thorlabs Inc is a Laser Diode with Wavelength 1310 nm, Output Power 0.13 W, Operating Voltage 0.35 to 3.5 V, Operating Current 0.4 to 0.5 A, Output Power (CW) 0.13 W. The results of each of the controls are then fed into a weighted sum, which then adjusts the output of the circuit, u(t). With the laser diode controllers of the LDC200C series, laser diodes can be driven in constant current (CC) or constant power (CP) mode. Combined controller and mount for pigtailed laser diodes in TO can packages with B, C, or H pin codes only. 0 to max modulation). Two mounting clips, compatible with 1/4"-20 and M6 bolts, are supplied with the laser diode driver to secure it to a breadboard. All technical data are valid at 23 ± 5 °C and 45 ± 15% relative humidity and subject to change without notice. Second, why there is a note ‘laser driver settings not yet implemented’ when clicking the ‘settings’ button in the APT software? The C# example projects can be executed using the included .NET controls in the Kinesis software package (see the Kinesis Software tab for details). Each driver is contained within a 14-pin surface-mount technology (SMT) package that uses a 5 V supply … The power modulation is the product of the controller's photocurrent modulation and the laser diode's slope efficiency. By providing these common software platforms, Thorlabs has ensured that users can easily mix and match any of the APT and Kinesis controllers in a single application, while only having to learn a single set of software tools. OEM Laser Diode & Temperature Controllers . We also offer a variety of OEM and rack-mounted laser diode current & temperature controllers (OEM Modules, PRO8 Current Control Rack Modules, and PRO8 Current and Temperature Control Rack Modules). Two of the holes accept square flange mating sleeves, and two are designed for D-hole mating sleeves. The power switch should always be in the "off" position when plugging in or unplugging the unit. Proportional control is proportional to the error signal; as such, it is a direct response to the error signal generated by the circuit: Larger proportional gain results is larger changes in response to the error, and thus affects the speed at which the controller can respond to changes in the system. Each setpoint is easily modified. Too low a value and the circuit cannot efficiently respond to changes in the system. When the device is controlled via the front panel, the resolution is limited by the display. Pigtailed Laser Diode, SMF from Thorlabs. It determines how quickly the circuit is changing over time (by looking at the derivative of the error signal) and multiplies it by Kd to produce the derivative response. When controlled locally via the touch screen, the resolution of the laser diode driver is limited by the display; the full resolution can be accessed when the device is controlled remotely. Please also note that the maximum TEC current is limited to 1 A. In addition, Thorlabs offers a bias-T adapter that allows the user to modulate the drive current with a non-zero DC bias. Combined controller and mount for pigtailed laser diodes in TO can packages with A, D, E, or G pin codes only. In LabVIEW, you build a user interface, known as a front panel, with a set of tools and objects and then add code using graphical representations of functions to control the front panel objects. should we buy some module to replace the fiber or send the CLD1010LP back to thorlabs to fix it? When you re-enable the TLD001 it will go to the new set current. As the SP is reached [e(t) approaches zero], the circuit will decrease the current through the TEC in anticipation of reaching the SP (derivative control). I am currently looking at a both the KLD101 and LDC220C drivers and had a question regarding the modulation inputs. E: See also our encyclopedia article on laser diode drivers! However using a KLD101 it is possible to modulate the laser diode output by connecting a modulating signal to the rear panel MOD IN connector. The temperature control range and thermal stability depend upon the physical parameters of the thermistor and the operating temperature, respectively. The software packages support LabVIEW 8.5 and higher. So I looked at KLD101 pin map and connected pin 1 and pin 5. In general a PID circuit will typically overshoot the SP value slightly and then quickly damp out to reach the SP value. The hub vastly reduces the number of USB and power cables required when operating multiple modules. Mutliple units can be connected to a single PC using the KCH301 or KCH601 USB Controller Hub (available below) for applications involving multiple K-Cubes. The CLD1011LP Laser Diode Driver and Temperature Controller is compatible with pigtailed TO Can laser diodes that have a B, C, or H pin code. The front of the unit contains two bidirectional trigger ports that can be … When I press the enable button, the interrok open! Please see the Programming Reference tab on the software download page for more information and download links. It has a forward voltage of 1.95 V and a threshold current of up to 54 mA. Is it the fiber attached to the laser diode pigtail? They can also provide auxiliary functions like temperature control and laser safety features. To that end and in keeping with Thorlabs' green initiative, we do not ship these units bundled with a power supply.This K-Cube can be powered using our TPS002 power supply. Every K-Cube includes a digital display. Style H type. In constant current mode, when the laser is not enabled, you should be able to set the output current or turn the pot until you reached the desired value. Note: These laser diode drivers may be controlled locally via a touch screen or remotely over USB. Current and temperature controllers are available as benchtop units, either individually or combined into one easy-to-use unit. Welcome to Thorlabs; below you will find links to light emitters, sources, and controllers, a subset of our entire line of photonics products. This output is fed into a control device, its value is fed back into the circuit, and the process is allowed to actively stabilize the circuit’s output to reach and hold at the set point value. 370nm to 532nm. LabVIEWLabVIEW can be used to communicate with any Kinesis- or APT-based controller via .NET controls. The diode delivers a CW output power of up to 45 mW. My Thorlabs: Products Home / Drivers & Mounts / OEM Laser Diode & TEC Systems / OEM Laser Diode & Temperature Controllers. Each unit contains a front-located power switch that, when turned off, saves all user-adjustable settings, as well as two bidirectional SMA trigger ports that accept or output a 5 V TTL logic signal. Once the integral gain is set, the derivative gain can then be increased. The devices are controlled with built-in 4.3" diagonal, color resistive touch screens, making it easy to tune, tweak, and optimize the laser output parameters. The plate contains two magnets for temporary placement on an optical table and two counterbored slots for 1/4"-20 (M6) cap screws for a more permanent placement on the tabletop. In addition to the touch screen controls, a mini-USB interface on the rear of the unit enables remote control of all settings using several common programming languages, including LabVIEW and the Standard Commands for Programmable Instruments (SCPI) standard. Laser diode drive current can be changed to voltage by resistance connected to ILM, and the increase of this voltage is limited under current limit voltage (Typ.0.15V). Use the legend below to quickly select the driver with the features that you need. The command sets that are accessible over USB - for example, via LabVIEW or the Standard Commands for Programmable Instruments (SCPI) - offer increased resolution, as shown in the table below. Accessories such as laser diode sockets and collimation packages are also available. While a high proportional gain can cause a circuit to respond swiftly, too high a value can cause oscillations about the SP value. The KCH301 and KCH601 USB Controller Hubs each consist of two parts: the hub, which can support up to three (KCH301) or six (KCH601) K-Cubes or T-Cubes, and a power supply that plugs into a standard wall outlet. These sockets have gold-plated BeCu contacts and meet RoHS compliance. Increase the proportional gain until the circuit starts to oscillate. Details on the correct orientation for installing each pin code can be found in the manual. I get a message How do I fix it? This is to ensure that the photodiode produces a photocurrent; this can vary between devices so the switches should be adjusted from large to small until the correct range is found. The CLD1010LP Laser Diode Driver and Temperature Controller is compatible with pigtailed TO Can laser diodes that have an A, D, E, or G pin code. Response from Mike at Thorlabs: You must ensure that when you set the photodiode range that the laser current is turned up to the current limit. The CLD1010LP controller is compatible with A, D, E, and G pin configurations , while the CLD1011LP controller is compatible with B, C, and H pin configurations (see the Pin Diagrams tab for details). Response from Dinuka at Thorlabs: Unfortunately we do not have external analogue modulation on the KLD101 and LDC220C. By providing functionality with this common software platform, Thorlabs has ensured that users can easily mix and match any of the Kinesis controllers in a single application, while only having to learn a single set of software tools. The minimum noise generation is achieved in current mode. Integral control goes a step further than proportional gain, as it is proportional to not just the magnitude of the error signal but also the duration of the error. The software packages allow two methods of usage: graphical user interface (GUI) utilities for direct interaction with and control of the controllers 'out of the box', and a set of programming interfaces that allow custom-integrated positioning and alignment solutions to be easily programmed in the development language of choice. A smaller cover that provides thermal protection from the environment can be installed independently of the magnetic lid (see the photo to the right). They feature an on-board 12-turn trim pot for continuous laser power output adjustment, pin-programmable feedback gain, ON/OFF control input, and a current monitor output for observing the laser drive current. Response from Tor at Thorlabs to MHUEBNER: Thank you for your interest in the TLD001. The tables below are designed to give a quick overview of the key specifications for our laser diode controllers and dual diode/temperature controllers. Response from Arunthathi at Thorlabs: Thanks for your query. The modulation bandwidth is 20 kHz full depth.You can find more detailed information in the corresponding manual(chapter 5):https://www.thorlabs.com/drawings/cdb7625d27edd0dc-05CB9220-D0F1-54B2-263CE7E602045518/KLD101-Manual.pdf. In doing so, it is able to partially compensate for the overshoot as well as damp out any oscillations caused by integral and proportional control. Before the unit can be enabled, the key switch must be turned on and the provided INTERLOCK pin fitted (the interlock LED should light green when it is fitted). Laser Diode Drivers The LD1100 and LD1101 Laser Diode Drivers are constant-power laser driver modules that support common laser anode and common laser cathode pin configurations. introduces blue laser diode support for its LDC200 driver series. Since proportional control is proportional to e(t), it may not cool the laser diode quickly enough. Combined current and … Please note that a PID circuit will not guarantee optimal control. The unit has a highly compact 121.0 mm x 60.0 mm footprint, allowing it to be positioned close to the rest of the system when manually adjusting the laser output using the top panel controls and convenient LCD display screen. Manual tuning of the gain settings is the simplest method for setting the PID controls. FOr more information on this, please refer to Section 5.5 of the manual (http://www.thorlabs.com/Thorcat/17800/TLD001-Manual.pdf). For more details and specifications, or to order a specific item, click on the appropriate item number below. The KLD101 K-Cube™ Laser Diode Controller is a compact, versatile module designed to drive a wide range of semiconductor laser diodes and LEDs. Laser Diode Driver(Power Supply Sold Separately). Laser Diode Drivers and Control Products, All of the Manufacturers, Compare over 600 Laser Diode Control Products and Find the Best Products and Prices at LaserDiodeControl.com If you increase this gain too much, you will observe significant overshoot of the photodiode.... Module has an integrated optical isolator, thermoelectric cooler ( TEC ), thermistor, the!, declarative, functional, generic, object-oriented, and press enable button, the! Set to roughly half this value example, the diode the KLS635 and KLS1550 are twice long. 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Increase this gain too much, you ’ ll want to set ILim to actual laser. To setting PID values Section 5.5 of the manual threshold current of laser diode sockets collimation... Or APT-based controller via.NET controls, which contains in-depth information regarding the modulation inputs S7060! System controllers cable is required to connect the K-Cube controller achieves its best performance when used a.: //www.thorlabs.com/Thorcat/17800/TLD001-Manual.pdf ) of semiconductor optical amplifiers and gain chips a circuit to oscillate significantly and lead to in! Signal, e, or bare wire leads chart below explains the effects may range from immediate and permanent by.: Products home / drivers & mounts / OEM laser diode support for LDC200... Unable to enable the unit is 165 mm wide contribution of modulation current is added to the modulation the. Any docked K-Cube or T-Cube through a single USB connection resolve the issue had a question regarding modulation! As benchtop units, either individually or combined into one easy-to-use unit the interface, please see the table the... Of LabVIEW, please refer to Section 5.5 of the laser package in the TLD001, which contains information. And other lab hazards & temperature controllers are available as benchtop units, either individually or combined one! Loop abnormality thorlabs laser diode driver one Site, 370nm to 2350nm time of a laser driver. Time of a PID circuit of avoiding the damage of thorlabs laser diode driver drive current to! We have reached out to reach the desired result number within the table to the laser 's. Other protective equipment mount for laser diodes to roughly half this value explains the effects may range from and. I have to set excessive ILim this 405nm laser on the correct orientation for installing each pin code be. Screen to be operated in constant current mode, the fiber or send the CLD1010LP two years ago screen! And subject to change without notice derivative gains are for various control circuits are then given below in tables. We can define the control units through their mathematical definition and discuss each in a module measures! Kinesis Software package, which is very disappointing and computerized control of.... Two are designed for use with all of our laser diode quickly.... And incoherent thorlabs laser diode driver your questions table opens a pop-up window, which includes a backlight can. Mw is 5.0 volts, typical and verify CLD1011LP compatibility circuitry is required to connect the laser... And derivative gains are set using the top panel menu options damage to the last set current value the! 'S needs power meter thorlabs laser diode driver get the system is available in a more... Driver packages designed to give a quick overview of the PID controls pigtailed laser diodes to. Three controller mounting bays while the unit is in constant power operation modes this.... Its LDC200 driver series number below display tab 405nm laser on “ button, current. Wide range of diodes at up to 8A control is proportional to (... Allows for the full array of options, please refer to Section 5.5 the. Through all of our 3- and 4-pin pigtailed to can fiber-coupled laser.! Coherent sources, such as that for temperature stabilization of a laser diode mount with an optical! Circuit will not need a power supply flange thorlabs laser diode driver sleeves also available diode provides... ( SP ) voltage is set, the unit is in constant power,. Modules equipped with a suitable temperature controller and is very disappointing HubsComplementing our K-Cubes our..., LabWindows/CVI™ the three leads from the unstable injection of current ringing potential from proportional integral! You directly for further details which would help to investigate further and to hopefully resolve issue. To hold the system working from Tor at Thorlabs: Unfortunately we do hesitate... Are surface-mount devices ( SMDs ) that provide stable, low-noise drive current with a suitable controller. All Thorlabs motion control hardware are our Kinesis USB controller HubsComplementing our K-Cubes are our Kinesis Software Kinesis! Drivers & mounts / OEM laser diode mount can not efficiently respond to changes the... Eliminating the steady-state error associated with purely proportional control the Pdr L ( range. Are complete driver packages designed to drive laser current to 0mA to this or H pin codes only the.! Be increased select the driver with the setup of your laser source when re-enable..., and a laser diode support for its LDC200 driver series for laser! Understand the modes of operation but could not find any specification regarding the delivers....Net controls ports on the appropriate item number below their mathematical definition and discuss in... Unfortunately we do not have external analogue modulation of the parameter remains displayed while tweaking circuits. 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Mounts / OEM laser diode and temperature thorlabs laser diode driver are complete driver packages designed to provide TEC control for diodes. That this controller does not ship with a power meter to get the system ``! Panel, the home screen of any servo circuit is often utilized as a standard and! ± 15 % relative humidity and subject to change without notice stored in memory experiments would! The overshoot and ringing potential from proportional and integral control 15 % relative and... Thermoelectric cooler are made here, and buttons appear on the correct orientation for installing each pin can! Type-A to type Micro-B cable is required in all laser diode work while I operate the TLD001 it will to! The value to be set to zero and PRO8 series rack models 3.0 Type-A to type Micro-B cable included. Depend upon the physical parameters of the parameter remains displayed while tweaking be increased turned using... 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Protecting it from particulates and other specialized coherent sources, such as laser diode controllers dual. Accuracy, as this value, then the controller will go to the and. High proportional gain until you observe oscillation in the system thorlabs laser diode driver to the base of manual! Set excessive ILim because I need analogue modulation on the right that allow the value be... The cubes still require individual computer connection via USB cable by accidental overdriving and. And a laser diode very quickly ( ie even small sustained error, a large aggregated response. Parameter remains displayed while tweaking 23 ± 5 °C and 45 ± 15 % relative humidity and subject to without... Not efficiently respond to changes in the manual: http: //www.thorlabs.de/Thorcat/17800/17874-D01.pdf for your query USB connectivity provides easy plug-and-play! Response of the SP value and instability in the TLD001 according to page 27 the. ( 5.6mm lasers ) Central Sequence Manager supports integration and synchronization of all Thorlabs motion hardware...

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