Wavelength-tunable, quasi-cw laser source for high-accuracy spectrometric measurement in the 200 nm to 500 nm region

Details Wavelength-tunable, quasi-cw laser source for high-accuracy spectrometric measurement in the 200 nm to 500 nm region Wavelength-tunable, quasi-cw laser source for high-accuracy spectrometric measurement in the 200 nm to 500 nm region

Jul 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003spie.4826..104h&link_type=abstract

Fourth Oxford Conference on Spectroscopy. Edited by Springsteen, Art; Pointer, Michael. Proceedings of the SPIE, Volume 4826,

Physics

3

Scientific paper

Harmonic generation of the output of a mode-locked titanium sapphire laser is a highly effective means for producing high power, quasi-cw, wavelength tunable radiation in the 200-500 nm spectral range. The laser is not truly cw, consisting of pulses at approximately 100 MHz. This paper investigates the possibility of stretching these pulses in time using a multimode optical fiber to achieve a truly cw signal: stretching of a 1.5 ps pulse to around 1 ns has been demonstrated. Non-linearity effects in the responsivity of different optical radiation detectors due to the pulsed nature of the radiation have been investigated, and no evidence for non-linearity has been seen for either silicon or GaAsP detectors at wavelengths of 300 or 360 nm within the measurement uncertainties (< 0.15%). Finally, data are presented indicating that the use of mode-locked radiation in transmittance spectrophotometry avoids the problem of interference between front and back surface reflections which has previously hindered high accuracy transmittance measurement using lasers.

Affiliated with

Also associated with

No associations

Rating

Wavelength-tunable, quasi-cw laser source for high-accuracy spectrometric measurement in the 200 nm to 500 nm region does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Wavelength-tunable, quasi-cw laser source for high-accuracy spectrometric measurement in the 200 nm to 500 nm region, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Wavelength-tunable, quasi-cw laser source for high-accuracy spectrometric measurement in the 200 nm to 500 nm region will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1885486