Ultraviolet laser emission properties of Ce{sup 3+}-doped LiSrAlF{sub 6}

Conference · Tue Mar 01 04:00:00 EST 1994

OSTI ID:10173574

Marshall, C D; Payne, S A; Speth, J A; Krupke, W F ^[1]; Quarles, G J; Castillo, V ^[2]; Chai, B H.T. ^[3]

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1. Lawrence Livermore National Lab., CA (United States)
2. Lightning Optical Corp., Tarpon Springs, FL (United States)
3. University of Central Florida, Orlando, FL (United States). Center for Research and Education in Optics and Lasers

The ultraviolet laser properties of Ce{sup 3+}-doped LiSrAlF{sub 6} (Ce:LiSAF) and LiCaAlF{sub 6} (Ce:LiCAF) are reported. The polarized absorption, emission and excited state absorption cross sections for both Ce:LiSAF and Ce:LiCAF were determined for the 266 nm pump and 290 nm laser emission wavelengths. The gain was found to be highest when the probe was polarized parallel to the optic axis of the crystal due to the anisotropic nature of the excited state absorption. The excited state absorption is ascribed to a transition from the 5d orbital of Ce{sup 3+} to the conduction band of the host. Laser slope efficiencies of up to 29% and 21% were measured for Ce-LiSAP and Ce:LiCAF when the 266 nm pulsed pump beam was polarized parallel to the optic axis. These are the highest laser slope efficiencies yet observed for any known solid-state ultraviolet laser material.

• Research Organization: Lawrence Livermore National Lab., CA (United States)
• Sponsoring Organization: USDOE, Washington, DC (United States)
• DOE Contract Number: W-7405-ENG-48
• OSTI ID: 10173574
• Report Number(s): UCRL-JC--115148; CONF-940226--9; ON: DE94016364
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360204
42 ENGINEERING
426002
ABSORPTIVITY
ALUMINIUM FLUORIDES
CALCIUM FLUORIDES
CERIUM IONS
CROSS SECTIONS
CRYSTAL DOPING
DOPED MATERIALS
EMISSION
ENERGY ABSORPTION
LASER MATERIALS
LASERS AND MASERS
LITHIUM FLUORIDES
OPTICAL PROPERTIES
PHYSICAL PROPERTIES
SOLID STATE LASERS
STRONTIUM FLUORIDES