Table Of Contents - THORLABS Redstone OSA302 Manual

Optical Spectrum Analyzers
Warning Symbol Definitions ....................................................................................... 1
Chapter 1
Chapter 2 Safety............................................................................................................................. 2
Chapter 3 Warranty ........................................................................................................................ 3
3.1. Restriction of Warranty ........................................................................................... 3
Description ................................................................................................................... 4
Chapter 4
4.1. Introduction .............................................................................................................. 4
4.2. Interferometer Design ............................................................................................. 4
4.3. Interferogram Data Acquisition .............................................................................. 7
4.4. Detector Temperature Mode (OSA203C only) ........................................................ 7
4.5. Interferogram Data Processing ............................................................................... 8
4.6. Wavelength Meter Mode .......................................................................................... 8
4.7. Wavelength Calibration and Accuracy ................................................................... 8
4.8. Resolution and Sensitivity ...................................................................................... 9
4.9. Dynamic Range/Optical Rejection Ratio .............................................................. 11
4.10. Apodization .................................................................................................... 12
4.11. Zero Fill ........................................................................................................... 12
4.12. Software .......................................................................................................... 13
4.13. Trigger (Redstone OSA30x only) .................................................................. 13
4.14. Interlock (Redstone OSA30x only) ................................................................ 13
Using the Free-Space Input ...................................................................................... 15
Chapter 5
5.1. Table Mounting when Using the Free-Space Input ............................................. 15
5.2. Activation of Alignment Beam .............................................................................. 16
5.3. Free-Space Beam Alignment Example ................................................................. 18
5.3.1. Initial Visual Alignment .................................................................................................. 18
5.3.2. Adjust Software Settings ............................................................................................... 19
5.3.3. Final Alignment ............................................................................................................. 20
5.3.4. Error Estimation ............................................................................................................ 20
Pure Air ....................................................................................................................... 21
Chapter 6
Software ...................................................................................................................... 22
Chapter 7
7.1. Spectrum View and Interferogram View ............................................................... 22
7.1.1. Spectrum View .............................................................................................................. 22
7.1.2. Interferogram View ........................................................................................................ 22
7.1.3. Setting the Unit of the Horizontal Axis .......................................................................... 22
7.1.4. Setting the Unit of the Vertical Axis ............................................................................... 23
7.1.5. Displaying the Interferogram While Working in Spectrum View ................................... 23
7.2. Acquiring Data ....................................................................................................... 23
7.2.1. Acquiring a Single Spectrum/Interferogram .................................................................. 23
7.2.2. Repeated Measurements .............................................................................................. 23
7.2.3. Automatic Setup ............................................................................................................ 23
7.2.4. Averaging Interferograms (Redstone OSA30x only) .................................................... 24
7.2.5. Signal ............................................................................................................................ 24
7.2.6. Measurements of Pulsed Sources ................................................................................ 24

Table of Contents