Optics: measuring and testing – By dispersed light spectroscopy – With raman type light scattering
Reexamination Certificate
2006-12-07
2009-06-09
Geisel, Kara E (Department: 2877)
Optics: measuring and testing
By dispersed light spectroscopy
With raman type light scattering
Reexamination Certificate
active
07545493
ABSTRACT:
A Raman spectroscopic apparatus utilizing a broad stripe semiconductor laser as the excitation light source is provided. The output spectrum of the semiconductor laser is narrowed and stabilized by an internal grating to provide high spectral brightness. A high throughput optical system is also disclosed for Raman scattering signal excitation and extraction, which takes full advantage of the high spectral brightness of the laser source.
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Li Qun
Wang Sean Xiaolu
BWT Property Inc.
Geisel Kara E
Tian Frank F.
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