Electro-optic probe, electromagnetic wave measuring apparatus, and electromagnetic wave measuring method
AssigneeOsaka University
InventorsShintarou Hisatake, Tadao Nagatsuma, Hirohisa Uchida
Life of this patent
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Abstract
Provided is an electro-optic probe for detecting an electromagnetic wave, including: an electro-optic crystal; and an optical fiber optically coupled to the electro-optic crystal, wherein a direction of a unique axis of the electro-optic crystal and a polarization direction of light from the optical fiber that enters the electro-optic crystal are set to be in line with each other, or wherein a direction of a unique axis of the electro-optic crystal and a unique polarization direction of the optical fiber are set to be in line with each other.
Claims13
An electro-optic probe for detecting an electromagnetic wave, comprising:
- an electro-optic crystal;
- and
- an optical fiber optically coupled to the electro-optic crystal,
- wherein a direction of a unique axis of the electro-optic crystal to which an electric field is applied and a polarization direction of light from the optical fiber that enters the electro-optic crystal are set to be substantially parallel to each other.
An electro-optic probe for detecting an electromagnetic wave, comprising:
- an electro-optic crystal;
- and
- an optical fiber optically coupled to the electro-optic crystal,
- wherein a direction of a unique axis of the electro-optic crystal to which an electric field is applied and a unique polarization direction of the optical fiber are set to be in the same direction.
An electromagnetic wave measuring apparatus comprising:
- a light source;
- an electro-optic probe configured to receive light from the light source and an electromagnetic wave;
- an optical wavelength filter configured to receive light output from the electro-optic probe, and
- a light receiving element configured to convert light that has passed through the optical wavelength filter into an electric signal,
- wherein the electro-optic probe includes:
- an electro-optic crystal;
- and
- an optical fiber optically coupled to the electro-optic crystal,
- a direction of a unique axis of the electro-optic crystal to which an electric field is applied and a polarization direction of light from the optical fiber that enters the electro-optic crystal being set to be substantially parallel to each other.
An electromagnetic wave measuring apparatus comprising:
- a light source;
- an electro-optic probe configured to receive light from the light source and an electromagnetic wave;
- an optical wavelength filter configured to receive light output from the electro-optic probe, and
- a light receiving element configured to convert light that has passed through the optical wavelength filter into an electric signal,
- wherein the electro-optic probe includes:
- an electro-optic crystal;
- and
- an optical fiber optically coupled to the electro-optic crystal,
- a direction of a unique axis of the electro-optic crystal to which an electric field is applied and a unique polarization direction of the optical fiber being set to be in the same direction.
An electromagnetic wave measuring method using an electro-optic probe that includes:
- an electro-optic crystal;
- and
- an optical fiber optically coupled to the electro-optic crystal,
- a direction of a unique axis of the electro-optic crystal to which an electric field is applied and a polarization direction of light from the optical fiber that enters the electro-optic crystal being set to be substantially parallel to each other,
- the method comprising the steps of:
- providing light from a light source to the electro-optic probe and providing an electromagnetic wave to the electro-optic probe;
- and
- measuring the electromagnetic wave based on light output from the electro-optic probe.
An electromagnetic wave measuring method using an electro-optic probe that includes:
- an electro-optic crystal;
- and
- an optical fiber optically coupled to the electro-optic crystal,
- a direction of a unique axis of the electro-optic crystal to which an electric field is applied and a unique polarization direction of the optical fiber being set to be in the same direction,
- the method comprising the steps of:
- providing light from a light source to the electro-optic probe and providing an electromagnetic wave to the electro-optic probe;
- and
- measuring the electromagnetic wave based on light output from the electro-optic probe.
Dependencies are inferred from the claim text.