Photothermal conversion spectroscopic analysis method, and photothermal conversion spectroscopic analysis device for executing that method
An analysis method and spectroscopic technology, which is applied in the direction of material analysis, measuring device, and material analysis through optical means, and can solve problems such as expensive procedures, poor user operation efficiency, and inability to detect changes in the refractive index of the thermal lens 131.
Inactive Publication Date: 2004-07-28
NIPPON SHEET GLASS CO LTD +1
View PDF2 Cites 1 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Therefore, the change in the refractive index of the thermal lens 131 cannot be detected
Thus, necessarily as Figure 5A and Figure 5B As shown, each measurement, the position of the test piece forming the thermal lens deviates from the focus position 133 of the detection light, or as Image 6 As shown, using a lens not shown, the detection light is somewhat diverged or condensed and then incident on the objective lens 130, so that the focal position 133 of the detection light deviates from the thermal lens 131, which requires a lot of procedures, and there is a problem that the work efficiency of the user is poor.
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0033] Hereinafter, a photothermal conversion spectroscopic analysis method and a photothermal conversion spectroscopic analysis device for executing the method according to embodiments of the present invention will be described in detail with reference to the accompanying drawings.
[0034] figure 1 It is a schematic configuration diagram showing a photothermal conversion spectroscopic analysis device according to an embodiment of the present invention.
[0035] figure 1In the optical path of the excitation light emitted from the excitation light source 111, a chopper (chopper) 112 that modulates the excitation light and improves the S / N ratio of the thermal lens signal described later is arranged near the excitation light source 111. . The modulated excitation light passes through the dichroic mirror 113 after being changed in direction by the reflective mirror 114 . The detection light from the detection light source 120 is incident on the surface opposite to the surfa...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
| Property | Measurement | Unit |
|---|---|---|
| thickness | aaaaa | aaaaa |
Login to View More
Abstract
It is an object to provide a photothermal conversion spectroscopic analysis method that enables measurement to be carried out with high sensitivity, and a photothermal conversion spectroscopic analysis apparatus that carries out the method. The photothermal conversion spectroscopic analysis apparatus is comprised of an exciting light source 111, a chopper 112 that is disposed close to the exciting light source 111 in the optical path of exciting light emitted from the exciting light source 111, a mirror 114 that changes the direction of travel of the exciting light, a detecting light source 120, a dichroic mirror 113 that has detecting light from the detecting light source 120 incident thereon and makes the exciting light and the detecting light coaxial, a lens 10 that has a suitable amount of chromatic aberration, and a holder 15 that holds the lens 10 such as to enable adjustment along three axes.
Description
technical field [0001] The invention relates to a photothermal conversion spectroscopic analysis method and device, which concentrates and irradiates excitation light on a test piece to form a thermal lens, and at the same time, irradiates detection light, senses the detection light that passes through the test piece, and measures the refraction caused by the thermal lens. Detecting changes in the intensity of light, in particular, relates to a photothermal conversion spectroscopic analysis method and device capable of performing ultra-micro-analysis with high precision and simple measurement at any place in the measurement of a small space. Background technique [0002] In recent years, spectroscopic analysis methods have been widely used as methods for analyzing or measuring semiconductors, biological samples, or various liquid samples. However, in the conventional spectroscopic analysis method, it is necessary to perform measurement in a vacuum environment when analyzing ...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): G01N25/16G01N21/17
CPCG01N2021/1712G01N21/171G01N25/16
Inventor 山口淳服部明彦北森武彦渡庆次学
Owner NIPPON SHEET GLASS CO LTD