Fig. 1. Schematic diagram of organic fluoric acid statically etched fused silica optics

Fig. 2. Etching rate of organic fluoric acid on fused silica optics

Fig. 3. Dark field images of fused silica after etching

Fig. 4. Optical microscope images of fused silica after etching

Fig. 5. Optical microscope images of scratches on the fused silica surface

Fig. 6. Transmittance spectra of fused silica

Fig. 7. Laser damage of fused silica