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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 37, Iss. 19 — Jul. 1, 1998
  • pp: 4194–4199

Elliptical trough reflector for the collection of light from linear sources

H. Pin Kao and Joseph S. Schoeniger  »View Author Affiliations


Applied Optics, Vol. 37, Issue 19, pp. 4194-4199 (1998)
http://dx.doi.org/10.1364/AO.37.004194


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Abstract

A trough reflector with a reflective, truncated elliptical surface was designed to efficiently collect freely propagating light from a linear source. The source was placed at one focus of the reflector, and light was collected through a rectangular aperture near the second focus. Collection efficiency was much greater than that of a spherical integrator and ≈6.5× greater than that of an objective lens; as much as ≈55% of the light could be captured from the full aperture. This reflector could be used to efficiently collect surface fluorescence excited by use of evanescent waves in fluorescence-based fiber optic or capillary waveguide sensors.

© 1998 Optical Society of America

OCIS Codes
(000.2170) General : Equipment and techniques
(120.3890) Instrumentation, measurement, and metrology : Medical optics instrumentation
(170.2520) Medical optics and biotechnology : Fluorescence microscopy

History
Original Manuscript: October 10, 1997
Revised Manuscript: February 27, 1998
Published: July 1, 1998

Citation
H. Pin Kao and Joseph S. Schoeniger, "Elliptical trough reflector for the collection of light from linear sources," Appl. Opt. 37, 4194-4199 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-19-4194

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