Damage threshold of fused silica
WebMar 31, 2024 · In this work, effects of 10 keV argon ion implantation on laser-induced damage threshold (LIDT) of fused silica were systematically investigated with ion fluences ranged from 1 × 10 16 ions/cm 2 to 1 × 10 18 ions/cm 2.Results show that only when the ion fluence increases above 1 × 10 17 ions/cm 2, the surface roughness apparently … Webreduction in the surface damage threshold of the fused silica. 1/2. Recently, a research team from the Shanghai Institute of Optics and Fine
Damage threshold of fused silica
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WebThis paper reports the results of a study to determine the degrading effects of flowing dye solvents on the laser damage threshold of fused-silica windows at 308nm. Thresholds were measured at the SiO/sub 2/solvent interface in a test cell. Bare SiO/sub 2/ tested in air at 308nm (20ns) typically exhibits a threshold ranging from 4 to 10 Jcm/sup ... WebJun 1, 2010 · A study was conducted to understand the effects of etch depth on the damage threshold of fused silica substrates. The study used a 355 nm, 7.5 ns, 10 Hz Nd:YAG laser to damage test fused silica ...
WebThe thresholds are sharp and reproducible. For the 8 ns pulses the bulk threshold irradiance is 4.75 ± 0.25 kW/μm2. The threshold is approximately three times higher for … WebAug 3, 2016 · After 100 min HF etching, the fused silica was removed 20 um, and from the magenta line in Fig. 5A, we can see the 0% laser damage threshold of the sample is …
WebJul 1, 2024 · The damage threshold of the gold film on fused silica was 0.64 J/cm 2, with the typical damage morphology of thermal ablation and melting; the damage threshold of the gold film on photoresist was 0.30 J/cm 2, with the typical damage morphology of blisters or peeling off. In order to better understand the impact of the substrate on the ...
WebThe essential results of a carefully controlled experimental investigation of the effect of roughness on laser-induced surface damage thresholds in fused silica are reported. …
WebNov 2, 2024 · Researchers achieve fused silica with high damage threshold by combing chemical etching and laser polishing by Zhang … bk 2 basics narre warrenWebApr 1, 2024 · The laser R-on-1 test protocol [27] was used to measure the laser damage threshold of fused silica surfaces. We incrementally ramped the laser fluence (~0.5 J/cm 2) at a repetition frequency of two shots per fluence until the damage occurred.Subsequently, another new site was shot again likewise. The experiment was … bk 2 basics melbourneWebLaser-damage thresholds of the surfaces were measured with 1064-nm 9-nsec pulses focused to small spots and with large-spot, 1064-nm, 1-nsec irradiation. ... We investigate the effect of different heat treatments on the laser-induced damage probabilities of fused silica samples. Isothermal annealing in a furnace is applied, with different ... bk2 computerWeb7 rows · Sep 7, 2024 · Thorlabs' UV Fused Silica High-Precision Windows are available in four sizes ranging from Ø1/2" to ... bk2 custom headlightsWebDec 1, 2024 · The damage thresholds of treated fused silica samples were tested with the same laser parameters. The test facility was a frequency-tripled Nd: YAG laser, which … bk1901b power supplyWebSep 19, 2011 · We present an experimental and numerical study of the damage and ablation thresholds at the surface of a dielectric material, e.g., fused silica, using short pulses … dattco plainfield ctWebApr 3, 2002 · In both cases, fused silica served as the substrate. For a fixed number of 1000 laser pulses per spot, a decrease in the damage threshold fluence of the mirror by a factor of two was observed by changing the repetition rate from 10 Hz to 1 kHz. A single 500-nm Ta 2 O 5 film shows higher damage resistance compared to the mirror. dattco mohegan sun bus schedule