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ERIC Number: EJ831214
Record Type: Journal
Publication Date: 2009-Mar
Pages: 6
Abstractor: As Provided
Reference Count: 15
ISBN: N/A
ISSN: ISSN-0143-0807
Measurement of Small Optical Polarization Rotations
Kraftmakher, Yaakov
European Journal of Physics, v30 n2 p271-276 Mar 2009
When data with and without an optically active sample are acquired simultaneously while one manually rotates the analyser, the graph of the first signal versus the second one is an ellipse whose shape shows the phase shift between the two signals; this shift is twice the optical rotation. There is no need to measure the rotation of the analyser or to uniformly rotate it. For small optical rotations, much better resolution is obtainable than in simple measurements based on minimizing the transmittance of light passing through the polarizer and analyser. (Contains 5 figures.)
Institute of Physics Publishing. The Public Ledger Building Suite 929, 150 South Independence Mall West, Philadelphia, PA 19106. Tel: 215-627-0880; Fax: 215-627-0879; e-mail: info@ioppubusa.com; Web site: http://www.iop.org/EJ/journal/EJP
Publication Type: Journal Articles; Reports - Descriptive
Education Level: Higher Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A