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Proceedings Paper

Fast and broadband detector for laser radiation
Author(s): Davide Scorticati; Giacomo Crapella; Sergio Pellegrino
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Paper Abstract

We developed a fast detector (patent pending) based on the Laser Induced Transverse Voltage (LITV) effect. The advantage of detectors using the LITV effect over pyroelectric sensors and photodiodes for laser radiation measurements is the combination of an overall fast response time, broadband spectral acceptance, high saturation threshold to direct laser irradiation and the possibility to measure pulsed as well as cw-laser sources.

The detector is capable of measuring the energy of single laser pulses with repetition frequencies up to the MHz range, adding the possibility to also measure the output power of cw-lasers.

Moreover, the thermal nature of the sensor enables the capability to work in a broadband spectrum, from UV to THz as well as the possibility of operating in a broad-range (10-3-102 W/cm2 ) of incident average optical power densities of the laser radiation, without the need of adopting optical filters nor other precautions.

Paper Details

Date Published: 22 February 2018
PDF: 7 pages
Proc. SPIE 10539, Photonic Instrumentation Engineering V, 105390I (22 February 2018); doi: 10.1117/12.2294002
Show Author Affiliations
Davide Scorticati, LaserPoint Srl (Italy)
Giacomo Crapella, LaserPoint Srl (Italy)
Sergio Pellegrino, LaserPoint Srl (Italy)


Published in SPIE Proceedings Vol. 10539:
Photonic Instrumentation Engineering V
Yakov G. Soskind, Editor(s)

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