Fig. 1. Schematic of time-resolved laser photometer

Fig. 2. Bulk damage probability curves in thick fused silica by using S-on-1 test method

Fig. 3. Images captured by CCD. Images after successive (a) 1st pulse, (b) 2nd pulse, and (c) 3rd pulse irradiation at laser power density of 200 GW·cm-2 (arrow indicates incident direction of 355 nm laser); (d) plasma emission image under CCD integration time of 100 ms

Fig. 4. Typical damage morphology in thick fused silica (arrow indicates incident direction of 355 nm laser)

Fig. 5. Real-time variation of each signal during multi-pulse irradiation of thick fused silica at laser power density of 97 GW·cm-2. (a) 1st pluse; (b) 20th pluse; (c) 67th pluse

Fig. 6. Real-time variation of each signal during multi-pulse irradiation of thick fused silica at laser power density of 133 GW·cm-2. (a) 1st pluse; (b) 3rd pluse; (c) 6th pluse

Fig. 7. Reflectivity, transmission loss, and pulse number required for inducing damage versus laser power density