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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 34, Iss. 31 — Nov. 1, 1995
  • pp: 7254–7257

Performance of a low-pass filter for far-infrared wavelengths

J. J. Bock and A. E. Lange  »View Author Affiliations


Applied Optics, Vol. 34, Issue 31, pp. 7254-7257 (1995)
http://dx.doi.org/10.1364/AO.34.007254


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Abstract

We describe a low-pass filter that provides high in-band transmittance and excellent rejection at ν > 100 cm−1. The transmittance of the filter components was measured at liquid-helium temperatures from 10 to 10,000 cm−1. The total transmittance is >50% for ν < 50 cm−1 and is calculated to be <10−9 for ν > 300 cm−1. The filter was successfully used in a liquid-helium-cooled, rocketborne, far-infrared absolute photometer.

© 1995 Optical Society of America

History
Original Manuscript: April 18, 1995
Revised Manuscript: July 20, 1995
Published: November 1, 1995

Citation
J. J. Bock and A. E. Lange, "Performance of a low-pass filter for far-infrared wavelengths," Appl. Opt. 34, 7254-7257 (1995)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-34-31-7254


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References

  1. Y. Yamada, A. Mitsuishi, H. Yoshinaga, “Transmission filters in the far-infrared region,” J. Opt. Soc. Am. 52, 17–19 (1962). [CrossRef]
  2. J. M. Blea, W. F. Parks, P. A. R. Ade, R. J. Bell, “Optical properties of black polyethylene from 3 to 4000 cm−1,” J. Opt. Soc. Am. 60, 603–606 (1970). [CrossRef]
  3. M. Kawada, J. J. Bock, V. V. Hristov, A. E. Lange, H. Matsuhara, T. Matsumoto, S. Matsuura, P. D. Mauskopf, P. L. Richards, M. Tanaka, “A rocket-borne observation of the far-infrared sky at high galactic latitude,” Astrophys. J. 425, L89–L92 (1994). [CrossRef]
  4. J. J. Bock, V. V. Hristov, M. Kawada, H. Matsuhara, T. Matsumoto, S. Matsuura, P. D. Mauskopf, P. L. Richards, M. Tanaka, A. E. Lange, “Observation of [Cii] 158-μm emission from the diffuse interstellar medium,” Astrophys. J. 410, L115–L118 (1993). [CrossRef]
  5. H. Matsuhara, M. Kawada, T. Matsumoto, S. Matsuura, M. Tanaka, J. J. Bock, V. V. Hristov, A. E. Lange, P. D. Mauskopf, P. L. Richards, “A rocket-borne instrument for observations of near-infrared and far-infrared extended astrophysical emission,” Pub. Astron. Soc. Jpn. 46, 665–676 (1994).
  6. For details of the LP100 filter, contact Perkin-Elmer, Norwalk, Conn. 06856.
  7. S. Zwerdling, J. P. Theriault, “The low temperature transmittance of two far infrared LWP filters,” Appl. Opt. 7, 209–210 (1968). [CrossRef] [PubMed]
  8. A. E. Lange, E. Kreysa, S. E. McBride, P. L. Richards, E. E. Haller, “Improved fabrication techniques for infrared bolometers,” Int. J. Infrared Millimeter Waves 4, 689–706 (1983). [CrossRef]
  9. R. Winston, “Light collection within the framework of geometrical optics,” J. Opt. Soc. Am. 60, 245–247 (1970). [CrossRef]
  10. M. G. Hauser, T. Kelsall, S. H. Moseley, R. F. Silverberg, T. Murdock, G. Toller, W. Spiesman, J. Weiland, “The diffuse infrared background: COBE and other observations,” in Trends in Astroparticle Physics, D. Cline, R. Peccei, eds. (World Scientific, Singapore, 1992), pp. 211–228.

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