NDLI: Observing nonspecular reflection of a light beam

Content Provider	IEEE Xplore Digital Library
Author	Woerdman, J.P. Merano, M. Aiello, A. van Exter, M.P.
Copyright Year	2009
Description	Author affiliation: Huygens Laboratory, Leiden University, P.O. Box 9504, 2300 RA, The Netherlands (Woerdman, J.P.; Merano, M.; Aiello, A.; van Exter, M.P.)
Abstract	The Law of Reflection of a light ray incident upon a mirror (θin = θout) was first formulated by Euclid around 300 BC in his book Catoptrics; it has been a tenet of geometrical optics ever since [1]. However, it has been discussed since the 1970s, that the Law of Reflection does not necessarily hold for a physical light beam, when this is regarded as the implementation of a ray [2–5]. The violation is due to a diffractive correction to geometrical optics; it may occur for oblique incidence on any mirror provided that its reflectivity is less than 100%. We present here the first experimental demonstration of this effect in the optical domain; it may affect all kinds of optical angular metrology, e.g. in Michelson interferometers and in cantilever-based surface probe microscopies as AFM.
Starting Page	1
Ending Page	1
File Size	1079930
Page Count	1
File Format	PDF
ISBN	9781424440795
DOI	10.1109/CLEOE-EQEC.2009.5191997
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-06-14
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Reflectivity Optical interferometry Geometrical optics Resonance Acoustic beams Dielectrics Optical reflection Mirrors Optical refraction Optical sensors
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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