THORLABS Redstone OSA305 Quick Start Manual
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THORLABS Redstone OSA305 Quick Start Manual

Optical spectrum analyzer
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Redstone
OSA305,
TM
Optical Spectrum
Analyzer
Quick Start Guide

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Summary of Contents for THORLABS Redstone OSA305

  • Page 1 Redstone OSA305, Optical Spectrum Analyzer Quick Start Guide...

  • Page 2: Table Of Contents

    Saving Your Data ..............10 3.5. Functions and Appearance ........... 10 3.5.1. Interferogram View vs Spectrum View ........10 3.5.2. Using Markers................10 3.5.3. Analysis Tools ................11 3.5.4. Display appearance ..............11 Chapter 4 Regulatory ............... 12 Chapter 5 Thorlabs Worldwide Contacts........13...

  • Page 3: Chapter 1 Warning Symbol Definitions

    Redstone™ OSA305 Chapter 1: Warning Symbol Definitions Chapter 1 Warning Symbol Definitions Below is a list of warning symbols you may encounter in this manual or on your device. Symbol Description Direct Current Alternating Current Both Direct and Alternating Current Earth Ground Terminal Protective Conductor Terminal Frame or Chassis Terminal...

  • Page 4: Chapter 2 Safety

    Only use the instrument standing on its feet. WARNING The Redstone OSA305 includes a red laser and an infrared laser. The classification of these lasers follows the European Standard IEC 60825-1:2014. Viewing the laser output with telescopic optical instruments (for example,...

  • Page 5: Chapter 3 Using The Osa

    Figure 1 Front View of the Redstone OSA305 3.1.1. Software The Redstone OSA305 is shipped with the software package pre-installed on the laptop computer that is included with the purchase of this instrument. The software has a customizable GUI for acquiring, inspecting, manipulating, and analyzing spectra and interferograms.

  • Page 6: Starting The Application

    3.2.1. Starting the Application Start the application “Thorlabs Redstone OSA.” When the Thorlabs OSA application starts, it will automatically detect all Thorlabs Redstone Optical Spectrum Analyzers connected to the PC. A list of all connected OSAs can be seen by clicking the button “Devices” found under the Instrument menu.

  • Page 7: Overview: Software Interface

    Redstone™ OSA305 Chapter 3: Using the OSA 3.2.2. Overview: Software Interface Trace Controls Main Menu Settings Bar Status Bar Data Display Figure 3 The main software interface with different menu selections marked with arrows, as well as the Status bar and Data display window The Main menu (see Figure 3) contains all the common commands, from starting a measurement to analysis of the spectrum and mathematical operations.

  • Page 8: Optical Setup

    A viewing card, such as Thorlabs Item #s VRC2 or VRC6S, and/or an alignment plate, such as Thorlabs Item # CPA2, can be used to aid in the alignment. Then, open the “Free-space Alignment” window from the Instrument menu, activate the alignment beam, and use the mirror closest to the OSA to point the alignment beam at the center of the input source.
  • Page 9 Redstone™ OSA305 Chapter 3: Using the OSA When the “Free-space Alignment” window is closed, and whenever necessary during normal operation such as when the input source conditions have changed considerably, the autogain algorithm will run a series of short sweeps to determine optimal gain and offset settings.

  • Page 10: Example Setups

    Figure 4 Free-Space setup suitable for a Collimated Source, using a Laser Diode mounted in a Thorlabs LDM56 Laser Diode Mount. Two mirrors are used to facilitate the Alignment Process and to adjust beam height. Figure 5 Free-Space setup suitable for a Broadband Divergent Source, in this case illustrated with Thorlabs SLS203L Stabilized Light Source.

  • Page 11: Starting A Measurement

    3.4.1. Sensitivity and Resolution The Redstone OSA305 instrument can be set to one of four resolution settings: High, Medium High, Medium Low, or Low, which correspond to resolutions of 2.0 GHz (0.0625 cm ), 7.5 GHz (0.25 cm ), 30 GHz (1.0 cm...

  • Page 12: Saving Your Data

    The data can be saved by selecting the File menu (see Figure 7) or by opening the Trace drop down menu. Saving in Thorlabs’ OSA file format, .spf2 / .spf2x, allows for easy loading and post-processing using the OSA software. A variety of other file formats are also available for export including .csv, .txt, .m, and more.

  • Page 13: Analysis Tools

    Redstone™ OSA305 Chapter 3: Using the OSA Figure 8 Marker Menu As long as any movable marker is enabled, the Movable Markers dialog box will be shown either as a floating window or docked to the main window. The dialog box shows the position of each enabled line marker, the value of the active trace at the position of the line marker(s), and the level of each enabled level marker.

  • Page 14: Chapter 4 Regulatory

    Waste Treatment is Your Own Responsibility If you do not return an “end of life” unit to Thorlabs, you must hand it to a company specialized in waste recovery. Do not dispose of the unit in a litter bin or at a public waste disposal site.

  • Page 15: Chapter 5 Thorlabs Worldwide Contacts

    Redstone™ OSA305 Chapter 5: Thorlabs Worldwide Contacts Chapter 5 Thorlabs Worldwide Contacts For technical support or sales inquiries, please visit us at www.thorlabs.com/contact for our most up-to-date contact information. USA, Canada, and South America UK and Ireland Thorlabs, Inc. Thorlabs Ltd.
  • Page 16 www.thorlabs.com...

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