1990, 14(4): 9-15.
关键词:
Telescopic resonator with a thermal lens (TRTL) A typical TRTL is formed by two mirrors with radius of curvature R1, R2 and a telescope composed by two lenses of focal length f1,f2 separated by 1 and an internal thermal lens with variable focal length f. The other parameters are denoted in Fig.