Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group

Dynamics of the line-tunable 12-μm continuous-wave NH3 laser as measured with a tunable-diode laser

Not Accessible

Your library or personal account may give you access

Abstract

A cw CO2 laser operating on the R(30) 9-μm transition is downshifted by 180 MHz in a pair of acousto-optic modulators to give an exact coincidence with the sR (5, 0) transition in NH3. The downshifted radiation optically pumps mixtures of NH3 in N2 and creates vibrational inversion in the ν2 mode of NH3. This inversion is monitored with a tunable-diode laser operating in the 11–12-μm region. Gain coefficients as large as 3.4%/cm are measured in the P branch of the ν2 band, and the measured gain coefficients are found to be in good agreement with a rate-equation model based on rotational thermalization. Detailed measurements of gain coefficients are presented as a function of NH3 transition, pump power, and gas mixture and pressure. These results will aid in the optimization of cw NH3 lasers operating in the 11–13-μm region.

© 1985 Optical Society of America

Full Article  |  PDF Article
More Like This
Gain dynamics in pulsed 12-μm NH3 lasers

H. D. Morrison, B. K. Garside, and J. Reid
J. Opt. Soc. Am. B 2(4) 535-540 (1985)

Line-tunable cw ortho- and para-NH3 lasers operating at wavelengths of 11 to 14 μm

David F. Kroeker and John Reid
Appl. Opt. 25(17) 2929-2933 (1986)

Improved cw lasers in the 11–13-μm wavelength region produced by optically pumping NH3

Klaus J. Siemsen, John Reid, and D. J. Danagher
Appl. Opt. 25(1) 86-91 (1986)

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 Optica member, or as an authorized user of your institution.

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

Figures (7)

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

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

Tables (2)

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

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

Equations (10)

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

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

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved