Invention Grant
- Patent Title: Background-free absorption spectroscopy using spectral differentiator
- Patent Title (中): 使用光谱微分器的无背景吸收光谱
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Application No.: US12699332Application Date: 2010-02-03
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Publication No.: US08149415B2Publication Date: 2012-04-03
- Inventor: Scott Thomas Sanders , Thilo Kraetschmer
- Applicant: Scott Thomas Sanders , Thilo Kraetschmer
- Applicant Address: US WI Madison
- Assignee: Wisconsin Alumni Research Foundation
- Current Assignee: Wisconsin Alumni Research Foundation
- Current Assignee Address: US WI Madison
- Agency: Boyle Fredrickson, S.C.
- Main IPC: G01B9/02
- IPC: G01B9/02 ; G01J3/45
Abstract:
An absorption spectrometer provides improved rejection of background radiation signal by employing a frequency-swept laser signal without frequency dithering and performing an effective differentiation of output light from a test cell to eliminate these constant or slowly varying background radiation levels.
Public/Granted literature
- US20110188046A1 Background-Free Absorption Spectroscopy Using Spectral Differentiator Public/Granted day:2011-08-04
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