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Title: Simple, compact and cost-effective optical interferometer using a grating and holographic optics
Authors: Sharma, Amit K
Kaura, Sushil K
Kumar, Raj
Chhachhia, D P
Aggarwal, A K
Keywords: Optical testing techniques;Optical interferometry;Phase visualization
Issue Date: Dec-2004
Publisher: CSIR
IPC Code: Int Cl7: G 01 N 21/45
Abstract: A new scheme for making a simple, compact and cost-effective two-beam optical interferometer using a commercially available diffraction grating and a single plate holographic optical element is described. The procedure for the generation of holographic optical element using a diffraction grating and the related techniques to realize the proposed interferometer along with typical experimental results has been presented. The proposed interferometer is simple, works well with a single collimated beam, and is quite suitable for performing optical test studies on phase (transparent) objects in real-time.
Page(s): 992-996
ISSN: 0975-1084 (Online); 0022-4456 (Print)
Appears in Collections:JSIR Vol.63(12) [December 2004]

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