Detector response to high repetition rate ultra-short laser pulses. I

I. K. Zakharova; Michael K. Rafailov

doi:10.1117/12.2180772

22 May 2015 Detector response to high repetition rate ultra-short laser pulses. I

I. K. Zakharova, Michael K. Rafailov

Proceedings Volume 9467, Micro- and Nanotechnology Sensors, Systems, and Applications VII; 946726 (2015) https://doi.org/10.1117/12.2180772
Event: SPIE Defense + Security, 2015, Baltimore, MD, United States

Abstract

Optical nonlinearities in semiconductors and semiconductor detectors have been widely investigated and exploited for many scientific and industrial applications. The correlation of optical and electronic characteristics in these detector materials under exposure of ultra-short laser pulses at high pulse repetition rates is still not very well known. These effects may be quite beneficial for many applications ranging from chemical and biological sensing to light-induced superconductivity. In this paper, we discuss the effect of extended bleaching in order to demonstrate sensing applications of such phenomenon as an example. Pump-probe measurements in bulk semiconductors will be presented to quantify the transient absorption dynamics and relate this to the electronic response of the detector devices. This effect is not limited semiconductors and may affect other matter states and electronic structures, like dielectrics.

Citation Download Citation

I. K. Zakharova and Michael K. Rafailov "Detector response to high repetition rate ultra-short laser pulses. I", Proc. SPIE 9467, Micro- and Nanotechnology Sensors, Systems, and Applications VII, 946726 (22 May 2015); https://doi.org/10.1117/12.2180772

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