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Highly damage resistant, broadband, hard antireflection coating for high power lasers in the ultraviolet to near‐infrared wavelength regions

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4 Author(s)
Yoshida, K. ; Institute of Laser Engineering, Osaka University, 2‐6 Yamada‐oka, Suita, Osaka 565, Japan ; Yoshida, H. ; Kato, Y. ; Yamanaka, C.

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Mechanically hard and broadband gradient refractive index antireflection coating was developed. It has a high damage threshold of ≳6 J/cm2 at 355 nm and 12–13 J/cm2 in the visible to near‐infrared region. It will be applicable to high power pulsed lasers as well as to industrial uses.

Published in:

Applied Physics Letters  (Volume:47 ,  Issue: 9 )