Abstract
We have measured several of the physical and optical parameters of the LiSrAlF6:Cr or Cr:LiSAF laser material that are important to its laser performance, including the thermomechanical properties, water durabilities, and Auger upconversion constants. A thermomechanical figure-of-merit has been determined from measurements of the fracture toughness, expansion coefficient, thermal conductivity, Young’s modulus, and heat capacity. Tests of water durability suggest that a neutral pH of 7 is optimum to minimize water dissolution. The Auger effect was found to be a significant factor at higher Cr concentration, where excited-state migration leads to an increase in the upconversion rate.
© 1993 Optical Society of America
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