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OPTICAL METROLOGY WITH INTERFEROMETR

COLLIMATION TESTING WITH SHEARING IN

CONSTRUCTION AND MODELING OF A GRIN

F-THETA SCANNING LENS

CHROMATIC EFFECTS IN FLUORESCENT MIC

SINGLE-MOLECULE IMAGING WITH FOURIER

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COLLIMATION TESTING WITH SHEARING INTERFEROMETRY
Time: 2020-04-30 13:34Source: infocrops.comWriter: infocrops
How well is a beam collimated? This is an essential question for many optics, especially in laser applications. Shearing interferometry is a simple and convenient way to test beam collimation quality, and we demonstrate this in VirtualLab Fusion. The key device in the interferometer is a shear plate, with high-quality flat surfaces and usually with a small wedge angle. We can model the multiple interactions between light and the shear plate easily with the help of the channel concept in VirtualLab Fusion.
 
 
Collimation Testing with Shearing Interferometry


 
 
We show how to build up a shearing interferometer for the testing of laser beam collimation. We observe the change in the interference fringes caused by changing the collimation lens system.
Channel Configuration for Surfaces and Grating Regions

 
With the flexible channel configuration in VirtualLab Fusion, the user can easily control the response of any surface and/or region in the simulation.
 
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