METHOD AND APPARATUS FOR CONTROLLED RAMAN SPECTROMETER
First Claim
Patent Images
1. A method, comprising:
- enabling an excitation laser during an excitation period;
after a timed delay following the excitation period, monitoring a photon scattering caused by the excitation laser;
analyzing the photon scattering;
automatically adjusting the timed delay to a modified timed delay based on the analyzed photon scattering; and
following the modified timed delay, enabling a Raman spectrometer to monitor Raman scattering caused by the excitation laser during a Raman monitoring period.
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Abstract
One embodiments includes a method that includes enabling an excitation laser during an excitation period, after a timed delay following the first excitation period, monitoring a photon scattering caused by the excitation laser, analyzing the photon scattering, automatically adjusting the timed delay to a modified timed delay based on the analyzed photon scattering and following the modified timed delay, enabling a Raman spectrometer to monitor Raman scattering caused by the excitation laser during a Raman monitoring period.
16 Citations
20 Claims
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1. A method, comprising:
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enabling an excitation laser during an excitation period; after a timed delay following the excitation period, monitoring a photon scattering caused by the excitation laser; analyzing the photon scattering; automatically adjusting the timed delay to a modified timed delay based on the analyzed photon scattering; and following the modified timed delay, enabling a Raman spectrometer to monitor Raman scattering caused by the excitation laser during a Raman monitoring period. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 17, 18)
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13. An apparatus, comprising:
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an excitation laser; an excitation circuit coupled to the excitation laser to enable the excitation laser; a delay circuit to indicate a timing delay signal after enabling the excitation laser; a background noise sensor to monitor background noise of the excitation laser and to provide a background noise signal; a background circuit coupled to the background noise sensor to enable the background noise sensor based on the timing delay signal; a Raman scattering sensor to monitor Raman scattering of the excitation laser; a Raman scattering circuit coupled to the Raman scattering sensor to enable the Raman scattering sensor based on the timing delay signal; and a feedback control circuit to adjust the timing delay signal based on the background noise signal. - View Dependent Claims (15, 16)
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19. A method, comprising:
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enabling an excitation laser during an excitation period; after a timed delay following the first excitation period, monitoring photon scattering caused by the excitation laser; analyzing the photon scattering; and after the timed delay, monitoring Raman scattering caused by the excitation laser according to timed pulses that are automatically adjusted based on the analyzed photon scattering. - View Dependent Claims (20)
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Specification