JP2013090903A5

JP2013090903A5 -

Info

Publication number: JP2013090903A5
Application number: JP2012110749A
Authority: JP
Filing date: 2012-05-14
Publication date: 2016-02-04
Anticipated expiration: 2032-05-14

Claims

A plurality of combined return lights from the inspection object irradiated with a plurality of measurement lights separated from a plurality of lights and a plurality of reference lights separated from the plurality of lights and corresponding to the plurality of measurement lights, respectively. An optical tomographic imaging apparatus that acquires a tomographic image of the object to be inspected based on the combined light of
A light source unit for generating the plurality of lights;
A light source storage for storing the light source;
A reference storage part that stores a part of the optical path of the plurality of reference lights and is provided apart from a side surface of the light source storage part;
An optical tomographic imaging apparatus characterized by comprising:

The measurement storage unit that stores a scanning unit that scans the plurality of measurement lights with the object to be inspected, and the light source storage unit is provided in an upper part of the measurement storage unit. Optical tomographic imaging device.

A reference optical fiber provided in an optical path of the plurality of reference lights and outside the reference storage unit;
A measurement optical fiber provided in the optical path of the plurality of measurement lights and outside the measurement storage unit;
A fiber storage unit that is provided on a side surface of the measurement storage unit and stores the reference optical fiber and the measurement optical fiber;
The optical tomographic imaging apparatus according to claim 2, further comprising:

A detection storage unit for storing detection means for detecting the plurality of combined lights;
A multiplexed optical fiber provided in the optical path of the plurality of combined lights and in the optical path outside the detection storage unit,
The optical tomographic imaging apparatus according to claim 3, wherein the fiber storage unit stores at least a part of the combined optical fiber.

5. The light according to claim 1, further comprising: a plurality of dispersion compensating glasses respectively provided in an optical path of the plurality of reference lights and in an optical path stored in the reference storage unit. Tomographic imaging device.

6. The optical tom according to claim 1, further comprising: a plurality of light quantity changing means provided in the optical paths of the plurality of reference lights and in the optical paths stored in the reference storage unit. Imaging device.

The distance between the optical axes of the plurality of reference lights is smaller than the diameter or side length of the plurality of light quantity changing means,
The optical tomographic imaging apparatus according to claim 6, wherein each of the plurality of light amount changing units is provided with a position shifted so as not to contact each other in an optical axis direction of the reference light.

Incident surface of the plurality of reference light at each of the plurality of light quantity changing means, according to claim 6 or 7, characterized in that it is provided inclined from a surface perpendicular to the plurality of reference beams each optical axis Optical tomographic imaging device.

9. The optical tomographic imaging apparatus according to claim 1, further comprising a plurality of polarization adjusting units that respectively adjust the polarization of the plurality of reference lights and the polarization of the plurality of measurement lights. .

The optical tomographic imaging apparatus according to claim 1, wherein the light source unit includes a plurality of light sources that respectively generate the plurality of lights.

Based on the combined light obtained by combining the return light from the inspection object irradiated with the measurement light separated from the light generated from the light source and the reference light separated from the light from the light source and corresponding to the measurement light. An optical tomographic imaging apparatus for obtaining a tomographic image of an inspection object,
A light source storage for storing the light source;
A reference storage unit that stores a part of the optical path of the reference light and is provided apart from a side surface of the light source storage unit;
An optical tomographic imaging apparatus characterized by comprising:

The light according to claim 11, further comprising a measurement storage unit that stores a scanning unit that scans the measurement light with the inspection object, wherein the light source storage unit is provided in an upper part of the measurement storage unit. Tomographic imaging device.

A reference optical fiber provided in an optical path of the reference light and outside the reference storage unit, a measurement optical fiber provided in an optical path of the measurement light and outside the measurement storage unit, and the measurement A fiber storage unit provided on a side surface of the storage unit for storing the reference optical fiber and the measurement optical fiber;
The optical tomographic imaging apparatus according to claim 12, comprising:

Detecting means for detecting the combined light;
A detection storage section for storing the detection means;
A combined optical fiber provided in an optical path of the combined light and outside the detection storage unit,
The optical tomographic imaging apparatus according to claim 13, wherein the fiber storage unit stores at least a part of the combined optical fiber.

And return light from the object to be inspected that the measurement light obtained by splitting the light generated from the light source was irradiated through the objective lens, the multiplexed light obtained by multiplexing the reference light obtained by splitting the light from the light source based on the a optical tomographic imaging apparatus that acquires a tomographic image of an object,
A main body including an optical path in which the objective lens and scanning means for scanning the measurement light with the inspection object are disposed ;
A light source storage unit that stores the light source and is provided at an upper portion of the main body unit;
A reference storage unit that stores a part of the optical path of the reference light and is provided apart from the light source storage unit;
An optical tomographic imaging apparatus characterized by comprising:

A reference optical fiber provided in an optical path of the reference light and outside the reference storage unit, a measurement optical fiber provided in an optical path of the measurement light and outside the main body , and the reference light A fiber storage for storing the fiber and the measurement optical fiber;
The optical tomographic imaging apparatus according to claim 15, comprising:

A detection storage unit for storing detection means for detecting the combined light;
A combined optical fiber provided in an optical path of the combined light and outside the detection storage unit,
The optical tomographic imaging apparatus according to claim 16 , wherein the fiber storage unit stores at least a part of the combined optical fiber.

The optical tomographic imaging apparatus according to any one of claims 1 to 17, further comprising a separation member provided between the light source storage unit and the reference storage unit.

Combined light that combines return light from the object to be inspected that is irradiated through the objective lens with measurement light obtained by dividing light generated from the light source and reference light obtained by dividing light from the light source Based on the optical tomographic imaging apparatus for obtaining a tomographic image of the inspection object,
A main body including an optical path in which the objective lens and scanning means for scanning the measurement light with the inspection object are disposed;
A light source storage unit that stores the light source and is provided at an upper portion of the main body unit;
An optical tomographic imaging apparatus characterized by comprising:

The optical tomographic imaging apparatus according to claim 1, wherein the inspection object is an eye to be inspected.