Blue and green cw upconversion lasing in Er:YLiF sub 4
Journal Article
·
· Applied Physics Letters; (USA)
- IBM Research Division, Almaden Research Center, San Jose, CA (USA)
Two new laser transitions are reported for the Er{sup 3+} ion in YLiF{sub 4}: in the blue at 469.7 nm and in the green at 560.6 nm. These are pumped with red and near-infrared laser radiation using nonlinear excitation processes in which more than one upconversion step occurs, yet the threshold pump powers are as low as 10 mW. Single longitudinal mode cw operation was observed at temperatures below 40 K. This is the first report of a blue laser using the Er{sup 3+} ion, and the first report of an infrared-pumped blue laser.
- OSTI ID:
- 6283527
- Journal Information:
- Applied Physics Letters; (USA), Vol. 57:17; ISSN 0003-6951
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
42 ENGINEERING
SOLID STATE LASERS
OPERATION
ERBIUM IONS
EXPERIMENTAL DATA
INFRARED RADIATION
LASER RADIATION
LITHIUM FLUORIDES
OPTICAL PUMPING
POWER RANGE MILLI W
VERY LOW TEMPERATURE
VISIBLE RADIATION
YTTRIUM FLUORIDES
ALKALI METAL COMPOUNDS
CHARGED PARTICLES
DATA
ELECTROMAGNETIC RADIATION
FLUORIDES
FLUORINE COMPOUNDS
HALIDES
HALOGEN COMPOUNDS
INFORMATION
IONS
LASERS
LITHIUM COMPOUNDS
LITHIUM HALIDES
NUMERICAL DATA
PUMPING
RADIATIONS
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
426002* - Engineering- Lasers & Masers- (1990-)
SOLID STATE LASERS
OPERATION
ERBIUM IONS
EXPERIMENTAL DATA
INFRARED RADIATION
LASER RADIATION
LITHIUM FLUORIDES
OPTICAL PUMPING
POWER RANGE MILLI W
VERY LOW TEMPERATURE
VISIBLE RADIATION
YTTRIUM FLUORIDES
ALKALI METAL COMPOUNDS
CHARGED PARTICLES
DATA
ELECTROMAGNETIC RADIATION
FLUORIDES
FLUORINE COMPOUNDS
HALIDES
HALOGEN COMPOUNDS
INFORMATION
IONS
LASERS
LITHIUM COMPOUNDS
LITHIUM HALIDES
NUMERICAL DATA
PUMPING
RADIATIONS
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
426002* - Engineering- Lasers & Masers- (1990-)