Abstract

Two single-mode diode lasers and AgGaS2 as a nonlinear medium are applied for difference frequency generation (DFG) in the mid-infrared spectral range between 4.9 and 6.5 µm. Phase matching is achieved by either temperature tuning or angle tuning of the crystal. Experimentally measured sets of input wavelengths λs and λp, the resulting DFG wavelength λi, and corresponding phase-matching temperatures or angles are compared with the calculated values derived by use of different Sellmeier equations and coefficients and temperature-dispersion equations dn/dT. Our results show that only specific combinations of previously published Sellmeier equations, coefficients, and temperature-dispersion equations are suitable for exact calculations of phase-matching parameters. These combinations reproduce our experimentally obtained phase-matching temperatures and angles with an accuracy of better than 5% and are therefore of fundamental interest for the design of a mid-infrared DFG spectrometer with AgGaS2 as a nonlinear medium.

© 2001 Optical Society of America

Full Article  |  PDF Article
OSA Recommended Articles
Thermo-optic dispersion formula for AgGaS2

Eiko Takaoka and Kiyoshi Kato
Appl. Opt. 38(21) 4577-4580 (1999)

Widely tunable continuous-wave mid-infrared laser source based on difference-frequency generation in AgGaS2

Valentin Petrov, Christian Rempel, Klaus-Peter Stolberg, and Wolfgang Schade
Appl. Opt. 37(21) 4925-4928 (1998)

Widely tunable continuous-wave mid-infrared radiation (5.5–11 µm) by difference-frequency generation in LiInS2 crystal

Weidong Chen, Emmanuelle Poullet, Jean Burie, Daniel Boucher, Markus W. Sigrist, Jean-Jacques Zondy, Ludmila Isaenko, Alexander Yèlisseyev, and Sergei Lobanov
Appl. Opt. 44(19) 4123-4129 (2005)

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Figures (8)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Tables (8)

You do not have subscription access to this journal. Article tables are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Equations (9)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Metrics

You do not have subscription access to this journal. Article level metrics are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription