Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Makoto Kato"'
Publikováno v:
SPIE Proceedings.
The performance of the concurrent in-line inspection system in CO2 laser drilling process has improved by the defect pattern estimation algorithm. The optical detection principle of the system is based on the relationship between the reflected laser
Publikováno v:
SPIE Proceedings.
We have developed a high-power microwave discharge excited carbon-dioxide laser oscillator by using a newly developed method called the orthogonal electric fields method in which the vibration direction of an electric field changes over time for achi
Autor:
Hideaki Adachi, Makoto Kato, Kenji Kanai, Ken'ichi Kasazumi, Toshiya Ohtani, Mayumi Uno, Ikunori Kobayashi
Publikováno v:
SPIE Proceedings.
A liquid-crystal (LC) spatial light modulator for hologram synthesis consisting of a high resolution twisted nematic LC-panel of active matrix type has been developed. Output images with signal-to-noise ratio of 30 dB and maximum contrast ratio over
Publikováno v:
SPIE Proceedings.
Recent advances in optical pickup heads using holographic optical elements (HOEs) are reviewed, with emphasis on a practical servo-signal detection system that can realize compact integration of HOE, laser diode, photodetectors, and objective lens. T