JP2017106794A5

JP2017106794A5 -

Info

Publication number: JP2017106794A5
Application number: JP2015240148A
Authority: JP
Filing date: 2015-12-09
Publication date: 2017-07-27

Description

本発明の光測定装置は、試料チューブ内に収容された試料に測定用光を照射する光源部、前記試料からの検出用光を検出する受光部、前記光源部からの測定用光が通過する第１の光路を形成する第１の光路形成体、前記試料からの検出用光が通過する第２の光路を形成する第２の光路形成体、および前記第１の光路形成体と第２の光路形成体との間に設けられた、試料チューブを受容するチューブ受容用凹所が形成されたチューブホルダを有する測定機構と、
前記チューブホルダを介して前記試料チューブを加熱する加熱機構と
を備えてなり、
前記チューブホルダには、前記第１の光路に連通する、前記試料に測定用光を入射するための入射用孔、および前記第２の光路に連通する、前記試料からの検出用光を出射するための出射用孔が形成されており、当該チューブホルダは金属材料によって構成されており、
前記第１の光路形成体および前記第２の光路形成体は、光吸収性を有する材料により構成されていることを特徴とする。 The light measurement device of the present invention includes a light source unit that irradiates measurement light to a sample housed in a sample tube, a light receiving unit that detects detection light from the sample, and measurement light from the light source unit passes therethrough. A first optical path forming body that forms a first optical path, a second optical path forming body that forms a second optical path through which detection light from the sample passes, and the first optical path forming body and the second optical path forming body A measurement mechanism having a tube holder provided with a recess for receiving a sample tube provided between the optical path forming body and
A heating mechanism for heating the sample tube via the tube holder,
The tube holder emits detection light from the sample communicating with the first optical path, an incident hole for allowing measurement light to enter the sample, and the second optical path. And a tube holder is made of a metal material .
The first optical path forming body and the second optical path forming body are made of a light-absorbing material .

Claims

A light source unit that irradiates measurement light to a sample contained in the sample tube, a light receiving unit that detects detection light from the sample, and a first optical path that forms a first optical path through which the measurement light from the light source unit passes. 1 optical path forming body, a second optical path forming body that forms a second optical path through which detection light from the sample passes, and provided between the first optical path forming body and the second optical path forming body. A measuring mechanism having a tube holder in which a tube receiving recess for receiving a sample tube is formed;
A heating mechanism for heating the sample tube via the tube holder,
The tube holder emits detection light from the sample communicating with the first optical path, an incident hole for allowing measurement light to enter the sample, and the second optical path. And a tube holder is made of a metal material .
The first optical path forming body and the second optical path forming body are made of a light-absorbing material .

The optical measurement apparatus according to claim 1, wherein the metal material constituting the tube holder has a thermal conductivity of 20 W / (m · K) or more.

The light measuring device according to claim 1, wherein a surface including an inner wall surface of the entrance hole and the exit hole in the tube holder is blackened.

The light measuring device according to claim 1, further comprising a cooling mechanism that cools the tube holder with cooling air.

The light measurement apparatus according to claim 1, wherein the heating mechanism includes a sheet heater.

The light measurement apparatus according to claim 1, wherein the light source unit and the light receiving unit are arranged to face each other.