Room-temperature, laser diode-pumped, Q-switched, 2 micron, thulium-doped, solid state laser

Patent · Fri Mar 30 00:00:00 EST 1990

OSTI ID:6714642

Esterowitz, L; Stoneman, R C

A room-temperature, laser-pumped, Q-switched, thulium-doped, solid state laser for producing pulses of laser emission at substantially 2 microns is disclosed. In a preferred embodiment, the laser comprises: a laser cavity defined by first and second reflective path elements opposing each other on a common axis to form a reflective path there between; a laser crystal disposed in the laser cavity, the laser crystal having a host material doped with an amount of thulium activator ions sufficient to produce a laser emission at substantially 2 microns from the 3F4 to 3H6 laser transition in the thulium activator ions when the laser crystal is enabled and is pumped by a CW pump beam at a preselected wavelength; a pump laser for pumping the laser crystal with the CW pump beam at the preselected wavelength; and a Q-switch disposed in the laser cavity between the laser crystal and the second reflective element for periodically enabling the laser crystal to produce a pulsed laser emission at substantially 2 microns when the crystal is also pumped by the CW pump beam.

• Research Organization: Department of the Navy, Washington, DC (USA)
• Assignee: Department of the Navy, Washington, DC
• Patent Number(s): A US 7-501461
• OSTI ID: 6714642
• Resource Relation: Other Information: This Government-owned invention available for U.S. licensing and, possibly, for foreign licensing. Copy of application available NTIS
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
SOLID STATE LASERS
DESIGN
AMBIENT TEMPERATURE
CRYSTALS
EMISSION
IONS
LASER CAVITIES
OPTICAL PUMPING
PATENTS
PULSES
Q-SWITCHING
REFLECTION
REFLECTIVITY
THULIUM
CHARGED PARTICLES
DOCUMENT TYPES
ELEMENTS
LASERS
METALS
OPTICAL PROPERTIES
PHYSICAL PROPERTIES
PUMPING
RARE EARTHS
SURFACE PROPERTIES
426002* - Engineering- Lasers & Masers- (1990-)