Excitation wavelength sweeping type raman spectroscopic apparatu

Details Excitation wavelength sweeping type raman spectroscopic apparatu Excitation wavelength sweeping type raman spectroscopic apparatu

1993-11-22

1994-12-13

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

With raman type light scattering

G01J 344, G01N 2165

Patent

active

053733584

ABSTRACT:
An excitation wavelength sweeping type Raman spectroscopic apparatus including a wavelength variable laser source, a laser beam converging unit for irradiating a laser beam from the laser source onto a specimen, a bandpass filter for selecting a beam of a predetermined wavelength out of Raman scattered light beams emitted from the specimen, and a photodetecting unit for detecting the beam selected by the bandpass filter. In the apparatus, a Raman spectrum of the specimen is measured by sweeping the wavelength of the laser beam.

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patent: 5257085 (1993-10-01), Ulich et al.
Yu, IBM Technical Disclosure Bulletin, vol. 20 No. 10, pp. 4186-4187, Mar. 1978.
Letokhou, Optics and Laser Technology, Jun. 1978 pp. 129-137.

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