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Proceedings Paper

High-energy 450-MHz CdSiP2 picosecond optical parametric oscillator near 6.3 μm for biomedical applications
Author(s): S. Chaitanya Kumar; A. Agnesi; P. Dallocchio; F. Pirzio; G. C. Reali; K. T. Zawilski; P. G. Schunemann; M. Ebrahim-Zadeh
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Paper Abstract

We report a compact, efficient, high-energy and high-repetition-rate mid-infrared picosecond optical parametric oscillator (OPO) based on a new nonlinear material CdSiP2. The OPO is synchronously pumped by a master-oscillator power-amplifier system at 1064.1 nm, providing 1-μs-long macro-pulses constituting 8.6 ps micro-pulses at 450 MHz, and can be tuned over 486 nm across 6091-6577 nm, covering the technologically important wavelength range for surgical applications. Using a compact cavity (~30 cm) and a CdSiP2 crystal, idler macro-pulse energy as high as 1.5 mJ has been obtained at 6275 nm, for an input energy of 30 mJ. The extracted signal pulses have durations of 10.6 ps.

Paper Details

Date Published: 15 February 2012
PDF: 8 pages
Proc. SPIE 8240, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XI, 82400Q (15 February 2012); doi: 10.1117/12.904768
Show Author Affiliations
S. Chaitanya Kumar, ICFO - Institut de Ciències Fotòniques (Spain)
A. Agnesi, Univ. degli Studi di Pavia (Italy)
P. Dallocchio, Univ. degli Studi di Pavia (Italy)
F. Pirzio, Univ. degli Studi di Pavia (Italy)
G. C. Reali, Univ. degli Studi di Pavia (Italy)
K. T. Zawilski, BAE Systems, Inc. (United States)
P. G. Schunemann, BAE Systems, Inc. (United States)
M. Ebrahim-Zadeh, ICFO - Institut de Ciències Fotòniques (Spain)
Institució Catalana de Recerca i Estudis Avançats (Spain)


Published in SPIE Proceedings Vol. 8240:
Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XI
Konstantin L. Vodopyanov, Editor(s)

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