Laser spectrometer with frequency calibration

Details Laser spectrometer with frequency calibration Laser spectrometer with frequency calibration

1978-12-11

1980-12-30

McGraw, Vincent P.

Optics: measuring and testing

By dispersed light spectroscopy

With synchronized spectrum repetitive scanning

356323, 356326, 356243, G01J 334

Patent

active

042419972

ABSTRACT:
A laser beam from a tunable laser is split into two paths containing an etalon and a sample cell respectively. The two paths are chopped at different frequencies. The paths are combined and fed to a monochromator and then detected by a single detector. Lock-in amplifiers tuned to the chopper frequencies and responsive to the detector output produce signals corresponding to the spectra arising from the etalon and the sample gas absorption. A recorder simultaneously displays the two spectra.

REFERENCES:
patent: 3521959 (1970-07-01), Treharne
"Wavenumber Calibration of Tunable Diode Lasers Using Etalons", Flicker et al, Applied Optics, vol. 17, No. 6, Mar. 15, 1978, pp. 851-852.

Affiliated with

Also associated with

Rating

Laser spectrometer with frequency calibration does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Laser spectrometer with frequency calibration, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Laser spectrometer with frequency calibration will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-5012