JP2017205492A5

JP2017205492A5 -

Info

Publication number: JP2017205492A5
Application number: JP2017076220A
Authority: JP
Filing date: 2017-04-06
Publication date: 2018-03-29
Anticipated expiration: 2036-05-19

Description

本開示の光学装置は、患部からの光をＩＲ成分、青色成分、赤色成分、緑色成分にそれぞれ分解するＩＲプリズム、青色プリズム、赤色プリズム及び緑色プリズムからなる４色プリズムと、前記青色プリズムに配置され、分解された前記青色成分を電気信号に変換する青色イメージセンサと、前記赤色プリズムに配置され、分解された前記赤色成分を電気信号に変換する赤色イメージセンサと、前記緑色プリズムに配置され、分解された前記緑色成分を電気信号に変換する緑色イメージセンサと、前記ＩＲプリズムに配置され、分解された前記ＩＲ成分を電気信号に変換するＩＲイメージセンサと、前記患部からの光を、前記青色イメージセンサ、前記赤色イメージセンサ、前記緑色イメージセンサ及び前記ＩＲイメージセンサのそれぞれの撮像面に集光させるレンズユニットと、を備え、前記患部に最も近い側に前記ＩＲプリズムが配置され、前記青色プリズム、前記赤色プリズム、前記緑色プリズムのうち、前記青色プリズムが、前記ＩＲプリズムに隣接する前記患部から２番目に近い側に配置され、前記レンズユニットのフランジ面から前記ＩＲイメージセンサ、前記青色イメージセンサ、前記赤色イメージセンサ及び前記緑色イメージセンサのそれぞれの撮像面までの光学的距離は、Ｃマウントに適合する距離である。 The optical apparatus of the present disclosure, IR component light from the affected area, the blue component, red component, respectively decomposes IR prism green color component, blue Iropu rhythm, 4-color prism on a red Iropu rhythm and green Iropu rhythm When disposed in front Symbol blue flop rhythm, and blue color image sensor decomposed before Symbol blue component that converts into an electrical signal, the arranged red Iropu rhythm, the decomposed the red component into an electrical signal a red image sensor for converting the arranged green Iropu rhythm, a green image sensor for converting the decomposed the green component into an electrical signal, the disposed IR prism, a decomposed the IR component into an electrical signal and IR image sensor for converting the light from the affected area, before Kiao color image sensor, the red image sensor, before Symbol green image sensor and each of the IR image sensor Comprising a lens unit for focusing the image plane, and the IR prism on the side closest to the affected area is located, the blue prism, the red prism, among the green prism, the blue prism, the IR prism It is arranged closer to the second position from the affected area adjacent the IR image sensor from the flange surface of the lens unit, the blue image sensor, optical distance to each of the imaging surface of the red image sensor and the green image sensor Separation is the distance that fits the C-mount.

Claims

A four-color prism comprising an IR prism, a blue prism, a red prism, and a green prism that decomposes light from the affected area into an IR component , a blue component , a red component, and a green component, respectively ;
Placed before Symbol blue flop rhythm, and blue color image sensor that converts the resolved before Symbol blue component into an electrical signal,
A red image sensor for converting disposed in the red Iropu rhythm, the decomposed the red component into an electrical signal,
A green image sensor for converting the arranged green Iropu rhythm, the decomposed the green component into an electrical signal,
An IR image sensor disposed on the IR prism and converting the decomposed IR component into an electrical signal;
The light from the affected area, before Kiao color image sensor, and a lens unit for focusing the respective imaging surfaces of the red image sensor, before Symbol green image sensor and the IR image sensor,
The IR prism is arranged on the side closest to the affected area,
Of the blue prism, the red prism, and the green prism, the blue prism is disposed on the second closest side from the affected area adjacent to the IR prism,
The optical distances from the flange surface of the lens unit to the imaging surfaces of the IR image sensor, the blue image sensor, the red image sensor, and the green image sensor are distances suitable for a C mount.
Optical device.

The green prism is disposed on the side farthest from the affected area,
The optical device according to claim 1.

The red prism is arranged on the third closest side from the affected area;
The optical device according to claim 1.

The red prism is disposed opposite to the IR prism with an incident light beam perpendicularly incident on the affected area side incident surface of the IR prism interposed therebetween.
The optical device according to claim 3.

The optical device according to any one of claims 1 to 4 ,
The distance that fits the C-mount is 17.526 mm.
Optical device.

The four-color prism used in claim 1.