Absorption measurements using frequency modulation heterodyne spectroscopy

Edward A. Whittaker; Gary C. Bjorklund

doi:10.1117/12.936241

Absorption measurements using frequency modulation heterodyne spectroscopy

Edward A. Whittaker
, Gary C. Bjorklund

IBM

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

Direct absorption. measurements using Frequency. Modulation. Spectroscopy (FMS) have been made. Simple calibration is possible and DC absorptions as small as 1.4x10-4 may be detected. By modulating the absorption photochemically, the sensitivity may be extended to a lower limit of1.5x10-7. The radicals HCO1 and ND4 have been studied using this method.

Original language	English
Pages (from-to)	81-86
Number of pages	6
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	426
DOIs	https://doi.org/10.1117/12.936241
State	Published - 19 Oct 1983

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10.1117/12.936241

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title = "Absorption measurements using frequency modulation heterodyne spectroscopy",

abstract = "Direct absorption. measurements using Frequency. Modulation. Spectroscopy (FMS) have been made. Simple calibration is possible and DC absorptions as small as 1.4x10-4 may be detected. By modulating the absorption photochemically, the sensitivity may be extended to a lower limit of1.5x10-7. The radicals HCO1 and ND4 have been studied using this method.",

author = "Whittaker, \{Edward A.\} and Bjorklund, \{Gary C.\}",

year = "1983",

month = oct,

day = "19",

doi = "10.1117/12.936241",

language = "English",

volume = "426",

pages = "81--86",

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T1 - Absorption measurements using frequency modulation heterodyne spectroscopy

AU - Whittaker, Edward A.

AU - Bjorklund, Gary C.

PY - 1983/10/19

Y1 - 1983/10/19

N2 - Direct absorption. measurements using Frequency. Modulation. Spectroscopy (FMS) have been made. Simple calibration is possible and DC absorptions as small as 1.4x10-4 may be detected. By modulating the absorption photochemically, the sensitivity may be extended to a lower limit of1.5x10-7. The radicals HCO1 and ND4 have been studied using this method.

AB - Direct absorption. measurements using Frequency. Modulation. Spectroscopy (FMS) have been made. Simple calibration is possible and DC absorptions as small as 1.4x10-4 may be detected. By modulating the absorption photochemically, the sensitivity may be extended to a lower limit of1.5x10-7. The radicals HCO1 and ND4 have been studied using this method.

UR - https://www.scopus.com/pages/publications/0020905940

UR - https://www.scopus.com/pages/publications/0020905940#tab=citedBy

U2 - 10.1117/12.936241

DO - 10.1117/12.936241

M3 - Article

AN - SCOPUS:0020905940

SN - 0277-786X

VL - 426

SP - 81

EP - 86

JO - Proceedings of SPIE - The International Society for Optical Engineering

JF - Proceedings of SPIE - The International Society for Optical Engineering

ER -

Absorption measurements using frequency modulation heterodyne spectroscopy

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