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Summary of Contents for THORLABS SBC-VIS
- Page 1 SBC-VIS and SBC-IR Soleil-Babinet Compensator User Guide...
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Page 2: Table Of Contents
7.3. Micrometer Battery Replacement ................16 Chapter 8 Specifications ........................17 Chapter 9 Mechanical Drawing ......................18 Chapter 10 Regulatory ........................19 10.1. Waste Treatment is Your Own Responsibility ..........19 10.2. Ecological Background ..................19 Chapter 11 Thorlabs Worldwide Contacts ..................20... -
Page 3: Chapter 1 Introduction
This allows the retardance to vary continuously while maintaining a uniform retardance across the aperture at any given setting (see Chapter 6 for more details). Thorlabs offers two models: the SBC-VIS and SBC-IR which use quartz optics to cover a spectral range of 365-800 nm and 745-1650 nm respectively. -
Page 4: Chapter 2 Setup
The compensator is shipped from Thorlabs ready to run. Carefully unpack the compensator and inspect the optics by looking through the aperture. Remove any loose particles of dust by gently blowing a stream of compressed air across the optic. If there are any signs of damage on the optics, contact Thorlabs for an immediate replacement. 2.2. -
Page 5: Using Compensator With Crossed Polarizers
Thorlabs carries a complete line of high quality calcite polarizers, rotation mounts and other accessories useful for constructing this setup. Figure 1 shows a typical arrangement. -
Page 6: Calibration
Soleil-Babinet Compensator Chapter 2: Setup 2.4. Calibration Normally, the first step to using a compensator is to calibrate it at the operating wavelength. If this is not possible, it may be necessary to calibrate at a test laser wavelength (i.e. a single mode HeNe) and extrapolate to the operating wavelength. - Page 7 Soleil-Babinet Compensator Chapter 2: Setup 9. Record the micrometer reading at this position. The distance indicated on the micrometer corresponds to the calibration distance equal to one full wave of retardance at the test laser wavelength. Page 5 6570-D02...
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Page 8: Chapter 3 Setting The Compensator To A Specific Retardance
λ , λ is the new wavelength, and B(λ) is the birefringence of the SBC model. For models SBC-VIS and SBC-IR, use equation 6-1 in Chapter 6 for B(λ). Rev E, Sept. 14, 2018 Page 6... -
Page 9: Chapter 4 Measuring An Unknown Retardance/Birefringence
Soleil-Babinet Compensator Chapter 4: Measuring an Unknown Retardance/Birefringence Chapter 4 Measuring an Unknown Retardance/Birefringence One of the applications for the Soleil-Babinet Compensator is to measure the retardance of an unknown device. From this the birefringence can easily be calculated as well. To measure the retardance of an unknown sample: Set up the crossed polarizer and DUT mount as shown in figure 1. -
Page 10: Chapter 5 Optional Labview Software And Serial Support
LabVIEW Runtime Library. The SBC-COMM LabVIEW drivers and Serial Interface Kit is compatible with all versions of the Thorlabs Soleil-Babinet Compensator. The software was developed in National Instrument’s LabVIEW Version 6.0. Also included are the compensator LabVIEW drivers for experienced users who want to adapt the compensator to their own specific needs (you’ll need... -
Page 11: Labview Drivers
Soleil-Babinet Compensator Chapter 5: Optional LabVIEW Software and Serial Support 5.2.2. LabVIEW Drivers A LabVIEW .vi file is also included for users familiar with LabVIEW programming and who would like to modify the compensator software. This requires a licensed version of LabVIEW Version 6.i or higher (not included) in order to run. -
Page 12: User Interface Fields
Yellow background fields are calculated fields and cannot be modified by the user. General Parameters Model (user input): Select the model compensator to be used with the software. Options are SBC-VIS or SBC-IR. Serial Port (user input): Select the serial port where the compensator is attached to the PC. Options are COM1, COM2, COM3, and COM4. -
Page 13: Stand-Alone Version
Soleil-Babinet Compensator Chapter 5: Optional LabVIEW Software and Serial Support Full Wave Distance (calculated field): The software calculates the full wave distance in micrometer units as the difference between the starting and ending nulls and displays the result here. Target Data Input Enter Target Retardance (waves) (user input): Enter the desired retardance to set the compensator. -
Page 14: Calibrating The Compensator
Thorlabs carries a complete line of polarizers, optic mounts, rotation stages, and other accessories. Please visit our website, www.thorlabs.com, or contact technical support using the information at the end of this manual for more information. -
Page 15: Setting The Compensator To A Target Retardance
Soleil-Babinet Compensator Chapter 5: Optional LabVIEW Software and Serial Support 5.3.5. Setting the Compensator to a Target Retardance Once the compensator is calibrated, the software will allow you to easily set the compensator to any fractional retardance within the operating spectral range of the unit. 1. -
Page 16: Chapter 6 Theory Of Operation
Soleil-Babinet Compensator Chapter 6: Theory of Operation Chapter 6 Theory of Operation The classic Soleil-Babinet Compensator design is based on two birefringent wedges with their optic axis aligned lengthwise and a compensator plate with its optic axis rotated 90° from the wedges. The retardance through the total optical path is: =B(λ)*(X )/λ... - Page 17 Soleil-Babinet Compensator Chapter 6: Theory of Operation Equation 6-2: MgF Sellmeier and Birefringence Note: the wavelength is in µm. Page 15 6570-D02...
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Page 18: Chapter 7 Cleaning And Maintenance
Discard the old battery properly. If the micrometer display does not come up after replacing the battery, contact Thorlabs for assistance. Rev E, Sept. 14, 2018... -
Page 19: Chapter 8 Specifications
Soleil-Babinet Compensator Chapter 8: Specifications Chapter 8 Specifications Item # SBC-VIS SBC-IR Wavelength Range 365 to 800 nm 740 to 1650 nm Retardance Adjustment 0 - 2π (Full Wave) Clear Aperture Ø10 mm Beam Deviation < 1 arcminute Transmitted Wavefront Error <... -
Page 20: Chapter 9 Mechanical Drawing
Soleil-Babinet Compensator Chapter 9: Mechanical Drawing Chapter 9 Mechanical Drawing Rev E, Sept. 14, 2018 Page 18... -
Page 21: Chapter 10 Regulatory
10.1. 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 22: Chapter 11 Thorlabs Worldwide Contacts
Soleil-Babinet Compensator Chapter 11: Thorlabs Worldwide Contacts Chapter 11 Thorlabs Worldwide Contacts www.thorlabs.com/contact For technical support or sales inquiries, please visit us at for our most up-to- date contact information. USA, Canada, and South America UK and Ireland Thorlabs, Inc. - Page 24 www.thorlabs.com...
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