An HCN laser oscillating at 890 GHz has been frequency locked to an absorption line in difluoroethylene with a stability of the order of 2 parts in 108. The absolute frequency of the absorption line was measured and found to be 890 759.60 ± 0.08 MHz.
Inspec keywords: gas lasers; oscillations; frequency stability; hydrogen compounds
Other keywords:
Subjects: Gas lasers; Laser optical systems: design and operation; Lasing processes
References
-
-
1)
- V.J. Corcoran , R.E. Cupp , J.J. Gallagher . Line narrowing in a phase-locked laser. IEEE J. Quantum Electron. , 241 - 243
-
2)
- V.J. Corcoran , R.E. Cupp , J.J. Gallagher . Frequency lock of the hydrogen cyanide laser to a microwave frequency standard. IEEE J. Quantum Electron. , 424 - 426
-
3)
- G. Duxbury , W.J. Burroughs . Identification of molecular coincidences with the 337 μm HCN maser line. J. Phys. B , 98 - 111
-
4)
- V.J. Corcoran , R.E. Cupp , J.J. Gallagher . Phase lock of a far infrared laser to an absolute frequency standard. IEEE J. Quantum Electron. , 160 - 162
-
5)
- C.C. Bradley , R.G. Jones , J. Birch , G. Duxbury . Saturation of a molecular absorption line at 890 GHz. Nature , 941 - 942
-
6)
- Duxbury, G., Jones, R.G., Burroughs, W.J., Bradley, C.C., Stone, N.W.B.: `Molecular absorption in near coincidence with the HCN 337 μm emission', Symposium on submillimetre waves, 1970, Polytechnic Institute of Brooklyn, (to be published).
-
7)
- D.J.E. Knight . , Phase-locking millimetre-wave klystrons for the measurement of submillimetre laser frequencies.
-
8)
- C.C. Bradley , D.J.E. Knight . Absolute frequency measurement of a CF2CH2 absorption line near 890 GHz using an HCN laser. Phys. Lett. , 59 - 60
-
1)
http://iet.metastore.ingenta.com/content/journals/10.1049/el_19710260
Related content
content/journals/10.1049/el_19710260
pub_keyword,iet_inspecKeyword,pub_concept
6
6