Clifford Frez
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Explore the profile of Clifford Frez including associated specialties, affiliations and a list of published articles.
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10
Citations
19
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Recent Articles
1.
Chen T, Markus C, Ober D, Sterczewski L, Huang Y, Lisano M, et al.
J Phys Chem A
. 2025 Jan;
129(5):1452-1458.
PMID: 39854623
We present direct frequency comb cavity ring-down spectroscopy with Vernier filtering as a straightforward approach to sensitive and multiplexed trace gas detection. The high finesse cavity acts both to extend...
2.
Sterczewski L, Bagheri M, Frez C, Canedy C, Vurgaftman I, Kim M, et al.
Opt Lett
. 2019 Nov;
44(23):5828-5831.
PMID: 31774790
The interband cascade laser (ICL) is an ideal candidate for low-power mid-infrared frequency comb spectroscopy. In this work, we demonstrate that its intracavity second-order optical nonlinearity induces a coherent up-conversion...
3.
Savchenkov A, Eliyahu D, Heist B, Matsko A, Bagheri M, Frez C, et al.
Appl Opt
. 2019 May;
58(9):2138-2145.
PMID: 31044910
While whispering gallery mode resonators are well known for their low acceleration sensitivity, there has not been much published experimental research on the subject. We performed environmental sensitivity tests of...
4.
Sterczewski L, Westberg J, Bagheri M, Frez C, Vurgaftman I, Canedy C, et al.
Opt Lett
. 2019 Apr;
44(8):2113-2116.
PMID: 30985824
Two semiconductor optical frequency combs, consuming less than 1 W of electrical power, are used to demonstrate high-sensitivity mid-infrared dual-comb spectroscopy in the important 3-4 μm spectral region. The devices...
5.
Bagheri M, Frez C, Sterczewski L, Gruidin I, Fradet M, Vurgaftman I, et al.
Sci Rep
. 2018 Feb;
8(1):3322.
PMID: 29463807
Since their inception, optical frequency combs have transformed a broad range of technical and scientific disciplines, spanning time keeping to navigation. Recently, dual comb spectroscopy has emerged as an attractive...
6.
Dale E, Bagheri M, Matsko A, Frez C, Liang W, Forouhar S, et al.
Opt Lett
. 2016 Dec;
41(23):5559-5562.
PMID: 27906238
We report on the stabilization of a high-power distributed feedback (DFB) semiconductor laser operating at 2.05 μm wavelength, using a crystalline whispering gallery mode microresonator. The laser's frequency noise is...
7.
Briggs R, Frez C, Fradet M, Forouhar S, Blanchard R, Diehl L, et al.
Opt Express
. 2016 Jul;
24(13):14589-95.
PMID: 27410611
We report continuous-wave operation of single-mode quantum cascade (QC) lasers emitting near 7.4 µm with threshold power consumption below 1 W at temperatures up to 40 °C. The lasers were...
8.
Borgentun C, Frez C, Briggs R, Fradet M, Forouhar S
Opt Express
. 2015 Apr;
23(3):2446-50.
PMID: 25836112
For high-sensitivity absorption spectroscopy, single-mode light sources capable of emitting high optical output power in the 3 to 5 µm wavelength range are vital. Here, we report on interband cascade...
9.
Briggs R, Frez C, Bagheri M, Borgentun C, Gupta J, Witinski M, et al.
Opt Express
. 2013 Feb;
21(1):1317-23.
PMID: 23389025
We demonstrate index-coupled distributed-feedback diode lasers at 2.65 µm that are capable of tuning across strong absorption lines of HDO and other isotopologues of H2O. The lasers employ InGaAsSb/AlInGaAsSb multi-quantum-well...
10.
Frez C, Diebold G
J Chem Phys
. 2008 Dec;
129(18):184506.
PMID: 19045413
Absorption of high power laser radiation by colloidal suspensions or solutions containing photoreactive chemicals can result in bubble production. Here, transient grating experiments are reported where picosecond and nanosecond lasers...