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Titolo:
NOISE IN SINGLE-SHOT BROAD-BAND COHERENT ANTI-STOKES-RAMAN SPECTROSCOPY THAT EMPLOYS A MODELESS DYE-LASER
Autore:
SNELLING DR; SAWCHUK RA; PARAMESWARAN T;
Indirizzi:
NATL RES COUNCIL CANADA,INST ENVIRONM RES & TECHNOL OTTAWA ON K1A 0R6CANADA ATLANTIS SCI OTTAWA ON K2C 0P9 CANADA
Titolo Testata:
Applied optics
fascicolo: 36, volume: 33, anno: 1994,
pagine: 8295 - 8301
SICI:
0003-6935(1994)33:36<8295:NISBCA>2.0.ZU;2-Q
Fonte:
ISI
Lingua:
ENG
Soggetto:
BAND CARS SPECTROSCOPY; TEMPERATURE-MEASUREMENTS; FIELD STATISTICS; PUMP LASERS; PRECISION; SCATTERING; GENERATION;
Keywords:
CARS; THERMOMETRY; LASER NOISE; MODELESS LASER;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
25
Recensione:
Indirizzi per estratti:
Citazione:
D.R. Snelling et al., "NOISE IN SINGLE-SHOT BROAD-BAND COHERENT ANTI-STOKES-RAMAN SPECTROSCOPY THAT EMPLOYS A MODELESS DYE-LASER", Applied optics, 33(36), 1994, pp. 8295-8301

Abstract

The noise in single-shot coherent anti-Stokes Raman (CARS) spectroscopy that employs a broadband modeless dye laser (MDL) is examined and the results are compared with those of a conventional dye laser. The noise of the dye-laser, the nonresonant CARS, and the resonant N-2 CARS signals are determined. The use of a MDL is shown to result in substantially reduced CARS noise when the CARS signal is generated with a single-mode pump laser, but only a marginal reduction of noise is observed with a multimode pump source The noise measurements are compared with theoretical predictions that are based on models that assume modes of random amplitudes and phases in the multimode laser sources. The combination of a MDL and a single-mode pump laser is shown to increase the precision of single-shot N-2 CARS temperature measurements.

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Documento generato il 25/11/20 alle ore 09:56:28