Blue-green upconversion laser
Abstract
A blue-green laser (450--550 nm) uses a host crystal doped with Tm[sup 3+]. The Tm[sup 3+] is excited through upconversion by a red pumping laser and an IR pumping laser to a state which transitions to a relatively lower energy level through emissions in the blue-green band, e.g., 450.20 nm at 75 K. The exciting laser may be tunable dye lasers or may be solid-state semiconductor laser, e.g., GaAlAs and InGaAlP. 3 figs.
- Inventors:
- Issue Date:
- OSTI Identifier:
- 7068389
- Patent Number(s):
- 4949348
- Application Number:
- PPN: US 7-398585
- Assignee:
- Dept. of Energy, Washington, DC (United States)
- DOE Contract Number:
- W-7405-ENG-36
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 25 Aug 1989
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING; SOLID STATE LASERS; EXCITATION; LASER MATERIALS; LASER RADIATION; THULIUM IONS; VISIBLE RADIATION; WAVELENGTHS; CHARGED PARTICLES; ELECTROMAGNETIC RADIATION; ENERGY-LEVEL TRANSITIONS; IONS; LASERS; MATERIALS; RADIATIONS; 426002* - Engineering- Lasers & Masers- (1990-)
Citation Formats
Nguyen, D C, and Faulkner, G E. Blue-green upconversion laser. United States: N. p., 1990.
Web.
Nguyen, D C, & Faulkner, G E. Blue-green upconversion laser. United States.
Nguyen, D C, and Faulkner, G E. Tue .
"Blue-green upconversion laser". United States.
@article{osti_7068389,
title = {Blue-green upconversion laser},
author = {Nguyen, D C and Faulkner, G E},
abstractNote = {A blue-green laser (450--550 nm) uses a host crystal doped with Tm[sup 3+]. The Tm[sup 3+] is excited through upconversion by a red pumping laser and an IR pumping laser to a state which transitions to a relatively lower energy level through emissions in the blue-green band, e.g., 450.20 nm at 75 K. The exciting laser may be tunable dye lasers or may be solid-state semiconductor laser, e.g., GaAlAs and InGaAlP. 3 figs.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1990},
month = {8}
}
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