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@article{Codescu:2026:10.1364/ao.599189,
author = {Codescu, M-A and Murray, JM and Zawilski, KT and Schunemann, PG and Runcorn, TH and Murray, RT and Guha, S},
doi = {10.1364/ao.599189},
journal = {Applied Optics},
pages = {5125--5125},
title = {Tunable 3.75–4.35 µm optical parametric generation using cascaded non-critical phase matching in CdSiP <sub>2</sub>},
url = {http://dx.doi.org/10.1364/ao.599189},
volume = {65},
year = {2026}
}
TY - JOUR
AB - <jats:p> We demonstrate a cascaded optical parametric generation architecture based on type-I non-critical phase matching (NCPM) in CdSiP <jats:sub>2</jats:sub> producing tunable mid-wave infrared radiation in the first atmospheric transmission window. The architecture was implemented with two Nd:YAG pump lasers: a 10 Hz flashlamp-pumped system and a 1 kHz diode-pumped Nd:YAG system, generating up to 108 and 17 µJ at 3.75 µm, respectively. Temperature tuning of the second NCPM CdSiP <jats:sub>2</jats:sub> stage, with orthogonal crystal <jats:italic>c</jats:italic> axes to the first stage, enabled continuous wavelength tuning from 3.75 to 4.35 µm. </jats:p>
AU - Codescu,M-A
AU - Murray,JM
AU - Zawilski,KT
AU - Schunemann,PG
AU - Runcorn,TH
AU - Murray,RT
AU - Guha,S
DO - 10.1364/ao.599189
EP - 5125
PY - 2026///
SN - 1559-128X
SP - 5125
TI - Tunable 3.75–4.35 µm optical parametric generation using cascaded non-critical phase matching in CdSiP <sub>2</sub>
T2 - Applied Optics
UR - http://dx.doi.org/10.1364/ao.599189
UR - https://doi.org/10.1364/ao.599189
VL - 65
ER -