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US 4,988,859 AGranted
Optical waveform measuring device
AssigneeHamamatsu Photonics K.K.
InventorsYutaka Tsuchiya, Shinichiro Aoshima
Life of this patent
Estimating the term…
Abstract
An optical waveform measuring device, comprising an optical amplifier for amplifying a light beam under measurement and a photodetector to which a light beam amplified by the optical amplifier is applied.
Claims29
An optical waveform measuring device, comprising:
- an optical amplifier to which a light beam under measurement is applied, said light beam under measurement having an original wavelength and said amplifier amplifying the intensity of said light beam under measurement at or near said original wavelength;
- a photodetector having means for generating an electron image in response to an amplified light beam generated by said optical amplifier in response to said light beam under measurement.
Dependencies are inferred from the claim text.