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Applied Optics

Applied Optics


  • Vol. 44, Iss. 25 — Sep. 1, 2005
  • pp: 5215–5223

Low-loss deflection prism for a laser beam with Brewster angle

Shojiro Nemoto and Masayuki Tsuchiya  »View Author Affiliations

Applied Optics, Vol. 44, Issue 25, pp. 5215-5223 (2005)

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A low-loss deflection prism for a laser beam is proposed, and its various characteristics such as beam quality, transmittance, deflection angle, and polarization state are presented. The prism having a trapezoidal form is made from BK7 glass and is designed for a He–Ne laser beam. When a p-polarized beam is incident on the slant surface of the prism at the Brewster angle, the totally reflected and transmitted beam is deflected by 90°, and the measured transmittance is nearly 98%. The theoretical transmittances of the proposed prism are compared with those of a Pellin–Broca prism.

© 2005 Optical Society of America

OCIS Codes
(120.5700) Instrumentation, measurement, and metrology : Reflection
(120.5710) Instrumentation, measurement, and metrology : Refraction
(140.3460) Lasers and laser optics : Lasers
(230.5480) Optical devices : Prisms
(260.5430) Physical optics : Polarization
(260.6970) Physical optics : Total internal reflection

Original Manuscript: June 14, 2004
Revised Manuscript: October 28, 2004
Manuscript Accepted: November 7, 2004
Published: September 1, 2005

Shojiro Nemoto and Masayuki Tsuchiya, "Low-loss deflection prism for a laser beam with Brewster angle," Appl. Opt. 44, 5215-5223 (2005)

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