ARRAY NEAR-FIELD HIGH OPTICAL SCATTERING MATERIAL DETECTION METHOD

• US 20160320299A1
• Filed: 04/28/2015
• Published: 11/03/2016
• Est. Priority Date: 04/28/2015
• Status: Abandoned Application

• Current Assignee: National Applied Research Laboratories (Government of The Republic of China)
• Original Assignee: National Applied Research Laboratories (Government of The Republic of China)
• Inventors: HUANG, Hung Ji, HUANG, Chi Hung, TSENG, Sheng Hao, CHOU, Shih Jie, WENG, Rui Cian, TZENG, Shih Yu
• Application Number:
  US14/697,633
• Publication Number:
  US 20160320299A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: A61B 5/0077 Devices for viewing the surface of the body, e.g. camera, magnifying lens
• CPC Class Codes: A61B 5/441 Skin evaluation, e.g. for skin disorder diagnosis
• CPC Class Codes: G01N 21/4795 spatially resolved investigating of object in scattering medium in vivo A61B
• CPC Class Codes: G01N 21/49 within a body or fluid
• CPC Class Codes: G01N 21/6456 Spatial resolved fluorescence measurements; Imaging

Abstract

An array near-field high optical scattering material detection method is disclosed, which comprises steps of irradiating an input light onto a high scattering material to generate a diffuse reflection, a diffusion, and a transmission within the high scattering material; reading out an optical energy over different positions on the high scattering material, respectively; forming a two dimensional light intensity distribution data image according to the optical energy over different positions on the high scattering material, respectively; and analyzing an internal composition variation of the high scattering material according to the two dimensional light intensity distribution data image to obtain the internal composition data of the high scattering material. By using the above technical means, the internal composition of the high optical scattering material may be known by detecting the same, and may be successfully applied onto a detection use on the green technology involving the biomedical engineering, chemical engineering, and environmental engineering.

Claims

1. An array near-field high optical scattering material detection method, comprising steps of:

irradiating an input light onto a high scattering material to generate a diffuse reflection, a diffusion, and a transmission within the high scattering material;

reading out an optical energy over different positions on the high scattering material, respectively;

forming a two dimensional light intensity distribution data image according to the optical energy over different positions on the high scattering material, respectively; and

analyzing an internal composition variation of the high scattering material according to the two dimensional light intensity distribution data image to obtain the internal composition data of the high scattering material.

2. The array near-field high optical scattering material detection method as claimed in claim 1, wherein the input light is a monochromatic light source selected from a group consisting of an X-ray light source, a gas light source, a semiconductor light source, and a laser light source, modulated by an optical element, or a composite light source selected from a combination within the group after being modulated, the combination comprising at least one monochromatic light source, wherein the optical element is a transmissive optical element, a reflective optical element, or an optically transmissive interface waveguide.

3. The array near-field high optical scattering material detection method as claimed in claim 1, wherein the step of reading out an optical energy over different positions on the high scattering material, respectively, further comprises steps of:

reading out the optical energy over a plurality of different positions on a one dimensional array on the high scattering material, respectively; and

reading out the optical energy over at least twenty equidistant positions on the one dimensional array on the high optical scattering material.

4. The array near-field high optical scattering material detection method as claimed in claim 1, wherein the step of analyzing the internal composition variation of the high scattering material according to the two dimensional light intensity distribution data image further comprises steps of:

applying an image data processing to analyze the two dimensional light intensity distribution data image according to the two dimensional light intensity distribution data image, wherein the image data processing comprises an operational processing including a geometrical operation and a Fourier transformation over a plurality of pixels obtained by a plurality of different test settings, an operational processing for filtering and eliminating a specific special frequency signal, an operational processing for enhancing the specific special frequency, and an operational processing for filtering and eliminating a specific geometrical feature.

5. The array near-field high optical scattering material detection method as claimed in claim 1, wherein the step of analyzing the internal composition variation of the high scattering material according to the two dimensional light intensity distribution data image further comprises steps of:

applying an image data processing to analyze the two dimensional light intensity distribution data image according to the two dimensional light intensity distribution data image, wherein the image data processing is a spectrum analysis to obtain an image spectrum response data to filter out a signal of the input light and enhancing a signal response intensity of a light having a wavelength otherwise a wavelength of the input light, to analyze a fluorescent response or a Raman spectrum response of the high scattering material or a deep area of the high scattering material.

6. The array near-field high optical scattering material detection method as claimed in claim 5, wherein the input light has a conductive and diffusive path being located on one of the high scattering material and an area outside a surface area of the high scattering material, and the composition analysis of the high scattering material is also applied onto the area outside the surface area of the high scattering material.

7. The array near-field high optical scattering material detection method as claimed in claim 1, wherein the high scattering material is color dyed previously or adhered with a plurality of metal particles to enhance an applied light interaction response speed of a plurality of different deep areas within the high scattering material to enable the two dimensional data.

8. The array near-field high optical scattering material detection method as claimed in claim 1, wherein the high scattering material is selected from a group consisting of an organism tissue, a plastic material, a ceramic material, and a laminating material.

9. The array near-field high optical scattering material detection method as claimed in claim 8, wherein the laminating material comprises a material formed by a stacking or floating on a liquid, and is selected from a group consisting of a glass, a grit, a plastic, a metal particle, a ceramic particle, a microorganism, the glass, the grit, the plastic, the metal particle, the ceramic particle, and the microorganism adhered with a chemical or an organism material.

10. The array near-field high optical scattering material detection method as claimed in claim 8, wherein the stack material has a curveted surface or an irregular shape other than a flat surface and has a main basic material formed by the organism tissue comprising a plurality of artificial material selected from a group consisting of the glass, the grit, the plastic, the metal particle, the ceramic particle, and the microorganism in a stacking form.