作者: Takeharu Okuno
DOI:
关键词: Blazed grating 、 Materials science 、 Optics 、 Holographic grating 、 Distributed feedback laser 、 Wavelength 、 Diffraction grating 、 Guided-mode resonance 、 Acousto-optics 、 Ultrasonic grating
摘要: An optical element includes a substrate; first diffraction grating disposed on the substrate and having period that is shorter than light wavelength used; second used. In element, melting point of material higher grating.