Multiple-beam wedge-plate shear interferometer for collimation testing
Applied Optics, Vol. 34, Issue 7, pp. 1197-1202 (1995)
http://dx.doi.org/10.1364/AO.34.001197
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Abstract
We describe a modification of the wedge-plate shear interferometer for collimation testing. The surface of the wedge plate is coated to increase the reflectivity such that multiple-beam interference takes place resulting in sharp fringes. In addition to sharpening the fringes also tend to split when the test beam is noncollimated. This splitting has been used as a test criterion for collimation testing. Experimental results are presented.
© 1995 Optical Society of America
Citation
P. Senthilkumaran, K. V. Sriram, M. P. Kothiyal, and R. S. Sirohi, "Multiple-beam wedge-plate shear interferometer for collimation testing," Appl. Opt. 34, 1197-1202 (1995)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-34-7-1197
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