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Optical constants of ammonium hydrosulfide ice and ammonia ice

Abstract:

Thin-film transmission spectra of ammonium hydrosulfide (NH4SH) ice and ammonia (NH3) ice between 1300 and 12,000 cm-1 were used to determine the ice's optical constants. The films were grown on a sapphire substrate, and a Fourier-transform spectrometer and a grating spectrometer were used together to record the spectra. Lambert's law was used to directly determine the imaginary component of the complex refractive indices; from this, the real component was derived using the Kramers-Kronig alg...

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Publication status:
Published

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Publisher copy:
10.1364/JOSAB.24.000126

Authors


Howett, CJA More by this author
Carlson, RW More by this author
Irwin, PGJ More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Atmos Ocean and Planet Physics
Publisher:
Optical Society of American (OSA)
Journal:
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS
Volume:
24
Issue:
1
Pages:
126-136
Publication date:
2007-01-05
DOI:
EISSN:
1520-8540
ISSN:
0740-3224
URN:
uuid:bd8fc79c-e3be-49e7-8948-ee2fea79e2dd
Source identifiers:
26870
Local pid:
pubs:26870
Language:
English

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