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Sisyph SK Series User Manual

Laser diode current controller
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User's Guide
Gavarnie
SK657
Laser Diode Current Controller
SK-Series Modules
SISYPH
www.sisyph.com
Signals & Systems for Physics

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  • Page 1 User's Guide Gavarnie SK657 Laser Diode Current Controller SK-Series Modules SISYPH www.sisyph.com Signals & Systems for Physics...

  • Page 2: CertiCation

    Gavarnie User's Guide SK657  Laser Diode Current Controller Certication Signals and Systems for Physics Warranty Signals and Systems for Physics Service Signals and Systems for Physics Signals and Systems for Physics © SISYPH www.sisyph.com Signals & Systems for Physics...

  • Page 3: General Information

    General Information Scope Safety and Preparation for Use Laser Diode Current Controller Laser Diode Current Controller Laser Diode Current Controller Signals and Systems for Physics Laser Diode Current Controller Specications and Related Documentation SISYPH www.sisyph.com Signals & Systems for Physics...
  • Page 4 Gavarnie User's Guide SK657  Laser Diode Current Controller Contents SISYPH www.sisyph.com Signals & Systems for Physics...
  • Page 5 Gavarnie User's Guide SK657  Laser Diode Current Controller SISYPH www.sisyph.com Signals & Systems for Physics...

  • Page 6: Getting Started

    500 mA 10 mA 10 MHz 100 MHz 0 mA 1.2 Front-Panel Connections 1.2.1 Current Source Output (SRCO) REAR 1.2.2 RF Modulation Input (RFMI) 50 Ω RFME 1.2.3 DC Modulation Input (DCMI) DCMS DCME SISYPH www.sisyph.com Signals & Systems for Physics...

  • Page 7: Front Panel Indicators

    1.3 Front-Panel Indicators 1.3.1 Remote Interface Activity (ACT) 1.3.2 Remote Interface Error (ERR) CLS? 1.3.3 Laser Is Running (RUN) LDEN 1.3.4 Current Limiting (LIM) 1.3.5 DC-Modulation Enabled (DCM) DCME 1.3.6 RF-Modulation Enabled (RFM) RFME SISYPH www.sisyph.com Signals & Systems for Physics...

  • Page 8: Backplane Connector

    Signals and Systems for Physics Module Adapters 1.4.1 Power Supply Datasheet Caution Because the SK657 uses some power supplies without any local post-regulation circuitry, always use clean, well regulated power sources with adjustable current limitation. SISYPH www.sisyph.com Signals & Systems for Physics...
  • Page 9 350 mV Caution When the module is used stand-alone, the digital and analog ground lines should be separately wired to a single, low-impedance ground source at the power supply. 1.4.3 Host Interface Programming Guide SISYPH www.sisyph.com Signals & Systems for Physics...
  • Page 10 Gavarnie User's Guide SK657  Laser Diode Current Controller MSTS? 1.4.4 Shared Lines Always contact us before using this functionality. SISYPH www.sisyph.com Signals & Systems for Physics...
  • Page 11 User's Guide SK657  Laser Diode Current Controller 10 V A 1.4.5 User's Terminal Blocks e.g. Always contact us before using this functionality. DCMS LDEN FPSE 1 REAR 1.4.6 Synchronization Interfaces Controller 10 MHz SISYPH www.sisyph.com Signals & Systems for Physics...

  • Page 12: Expansion Connectors

     Laser Diode Current Controller 1.4.7 Synchronization 10 MHz 10 MHz 1.5 Expansion Connectors Always contact us before using this functionality. 1.5.1 Analog I/O Expansion +15 V 15 V 15 V REAR DCMS SISYPH www.sisyph.com Signals & Systems for Physics...
  • Page 13 User's Guide SK657  Laser Diode Current Controller 1 V V 10 V A 1.5.2 Digital I/O Expansion +5 V +5 V 1.6 On-Board Settings and Connectors e.g. 1.6.1 Conguration Switches 1.6.2 Grounding Jumpers SISYPH www.sisyph.com Signals & Systems for Physics...
  • Page 14 The SK657 Laser Diode Current Controller is designed to operate with anode grounded lasers. Floating terminals lasers can be also used. In doubt, contact us for conrmation. In such situations, only the laser anode can be grounded SISYPH www.sisyph.com Signals & Systems for Physics...
  • Page 15 Note that the current noise density may increase if the limiter's threshold is too close to the op- erating current. 10 % 1.7.4 Monitoring the Compliance Voltage VCMP 1000 mV 5000 mV 8 bit 0 mA *CLS OVLS ? 1.7.5 Modulating the Current at Low Frequency DCMS 10 MHz SISYPH www.sisyph.com Signals & Systems for Physics...
  • Page 16 SK657 does not provide any limiting device on this input. 1.7.7 Laser Monitoring MONS MONS 0 1 V V MONS 1 10 V A ADCR ? 100 ms ADCR ? 0 ADCR ? 1 1.7.8 Using the Interlock SISYPH www.sisyph.com Signals & Systems for Physics...
  • Page 17 1.7.9 Installing the Optional Laser Control Switch LDEN FPSE 1.7.10 Turning On Power *SAV Programming Guide 1.7.11 Paralleling Several Modules 500 mA 500 mA 20 pA 1.7.12 Restoring the Default Conguration *RST Programming Guide SISYPH www.sisyph.com Signals & Systems for Physics...

  • Page 18: Description Of Operation

    The only reserved location (the rightmost slot) is dedicated to the master module, which is in fact a part of the platform. Therefore, using the user terminal blocks functionality of a specic slot will, in practice, assign the module to this slot. Contact us before using this functionality. SISYPH www.sisyph.com Signals & Systems for Physics...

  • Page 19: Remote Operation

    Gavarnie User's Guide SK657  Laser Diode Current Controller 3 Remote Operation Laser Diode Current Controller 3.1 Commands Programming Guide 3.2 Status Model Status Model Diagram Programming Guide SISYPH www.sisyph.com Signals & Systems for Physics...
  • Page 20 Gavarnie User's Guide SK657  Laser Diode Current Controller 4 Accessories Laser Diode Current Controller 4.1 Optional Module Adapters Laser Diode Current Controller Signals and Systems for Physics Module Adapter SISYPH www.sisyph.com Signals & Systems for Physics...
  • Page 21 Gavarnie User's Guide SK657  Laser Diode Current Controller 5 Figures SISYPH www.sisyph.com Signals & Systems for Physics...
  • Page 22 Gavarnie User's Guide SK657  Laser Diode Current Controller SISYPH www.sisyph.com Signals & Systems for Physics...
  • Page 23 Gavarnie User's Guide SK657  Laser Diode Current Controller SISYPH www.sisyph.com Signals & Systems for Physics...
  • Page 24 Gavarnie User's Guide SK657  Laser Diode Current Controller SISYPH www.sisyph.com Signals & Systems for Physics...
  • Page 25 Gavarnie User's Guide SK657  Laser Diode Current Controller 10 MHz SISYPH www.sisyph.com Signals & Systems for Physics...

  • Page 26: Document Revision History

    Gavarnie User's Guide SK657  Laser Diode Current Controller 6 Document Revision History 6.1 Version Number 6.2 Revision History P24A (2024-05-21) SISYPH www.sisyph.com Signals & Systems for Physics...

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