We have located links that may give you full text access.
Crackless high-aspect-ratio processing of a silica glass with a temporally shaped ultrafast laser.
Optics Letters 2024 May 2
In this Letter, we propose a crackless high-aspect-ratio processing method based on a temporally shaped ultrafast laser. The laser pulse is temporally split into two sub pulses: one with smaller energy is used to excite electrons but without ablation so that the applied pressure to the sample is weak, and the other one is used to heat the electrons and achieve material removal after it is temporally stretched by a chirped volume Bragg grating (CVBG). Compared with the conventional ultrafast laser processing, the crack generation is almost suppressed by using this proposed method. The hole depth increases more than 3.3 times, and the aspect ratio is improved at least 2.2 times. Moreover, processing dynamics and parameter dependence are further experimentally studied. It shows that the processing highly depends on the density of electrons excited by the first pulse (P1) and the energy of the second pulse (P2). This novel, to the best of our knowledge, method provides a new route for the precise processing of wide-bandgap materials.
Full text links
Related Resources
Trending Papers
Mineralocorticoid receptor antagonists and reno-protection: What's the evidence & where do they fit? A guide for non-specialists.Diabetes, Obesity & Metabolism 2024 May 8
Angiotensin Receptor Blocker-Neprilysin Inhibitor for Heart Failure with Reduced Ejection Fraction.Pharmacological Research : the Official Journal of the Italian Pharmacological Society 2024 May 12
The Therapy and Management of Heart Failure with Preserved Ejection Fraction: New Insights on Treatment.Cardiac Failure Review 2024
Get seemless 1-tap access through your institution/university
For the best experience, use the Read mobile app
All material on this website is protected by copyright, Copyright © 1994-2024 by WebMD LLC.
This website also contains material copyrighted by 3rd parties.
By using this service, you agree to our terms of use and privacy policy.
Your Privacy Choices
You can now claim free CME credits for this literature searchClaim now
Get seemless 1-tap access through your institution/university
For the best experience, use the Read mobile app