Issues

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1976

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July

  

Physics of our days


New methods and advances of high-resolution spectroscopy

 a,
a Lebedev Physical Institute, Russian Academy of Sciences, Leninsky prosp. 53, Moscow, 119991, Russian Federation

We present the theoretical foundations of the method of using multipass Fabry-Perot interferometers and an iodine light filter to get high-contrast spectra. Plane Fabry--Perot interferometers are considered with two, three, or five successive passes of the light through them, as well as one- and two-pass spherical Fabry--Perot interferometers, and also their tandem combinations. Examples are given of experimental studies of molecular light-scattering spectra in phase transitions in imperfect crystals and liquid crystals, pressed powders, opaque crystals, and also acoustic magnon spectra. The resultant contrast of the spectra was as large as 10$^{12}$ when multipass and tandem interferometers were used, and 10$^5$ when an iodine light filter was used.

PACS: 07.45.+r, 07.40.+a
DOI: 10.1070/PU1976v019n07ABEH005275
URL: https://ufn.ru/en/articles/1976/7/d/
Citation: Fabelinskii I L, Chistyi I L "New methods and advances of high-resolution spectroscopy" Sov. Phys. Usp. 19 597–617 (1976)
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RT Journal
T1 New methods and advances of high-resolution spectroscopy
A1 Fabelinskii,I.L.
A1 Chistyi,I.L.
PB Physics-Uspekhi
PY 1976
FD 10 Jul, 1976
JF Physics-Uspekhi
JO Phys. Usp.
VO 19
IS 7
SP 597-617
DO 10.1070/PU1976v019n07ABEH005275
LK https://ufn.ru/en/articles/1976/7/d/

Оригинал: Фабелинский И Л, Чистый И Л «Новые приемы и достижения спектроскопии высокой разрешающей силы» УФН 119 487–524 (1976); DOI: 10.3367/UFNr.0119.197607d.0487

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