New FIR laser lines from CD3OD optically pumped by a CO2waveguide laser

✍ Scribed by E. M. Telles; J. C. S. Moraes; A. Scalabrin; D. Pereira; A. Moretti; F. Strumia

• Publisher: Springer
• Year: 1991
• Tongue: English
• Weight: 585 KB
• Volume: 52
• Category: Article
• ISSN: 0721-7269
• DOI: 10.1007/bf00405684

✦ Synopsis

In this work we report new FIR laser lines from CD3OD optically pumped by a CO 2 waveguide laser. The wide tunability of this laser (290 MHz) makes it possible to pump absorption lines with large frequency offset relative to the CO/laser line center, which are not possible by using conventional CO2 lasers. As a consequence 19 new laser lines have been discovered, ranging from 38.0 gm to 455.2 gm in wavelength. For all lines, precise frequency offset measurements between the CO 2 line center and the center of the absorber CD3OD line were performed using the transferred Lamb-dip technique. We also present direct Doppler-free offset measurements of infrared absorption, obtained within the FIR laser cavity itself, using optoacoustic detection.