IL299958A - Ultraviolet-visible absorption spectroscopy for gemstone identification - Google Patents

Ultraviolet-visible absorption spectroscopy for gemstone identification

Info

Publication number
IL299958A
IL299958A IL299958A IL29995823A IL299958A IL 299958 A IL299958 A IL 299958A IL 299958 A IL299958 A IL 299958A IL 29995823 A IL29995823 A IL 29995823A IL 299958 A IL299958 A IL 299958A
Authority
IL
Israel
Prior art keywords
ultraviolet
absorption spectroscopy
visible absorption
gem identification
gem
Prior art date
Application number
IL299958A
Other languages
English (en)
Hebrew (he)
Original Assignee
Gemological Inst Of America Inc Gia
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gemological Inst Of America Inc Gia filed Critical Gemological Inst Of America Inc Gia
Publication of IL299958A publication Critical patent/IL299958A/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/33—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/87—Investigating jewels
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
    • G01J3/0218—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using optical fibers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0267—Sample holders for colorimetry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/42—Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/44—Raman spectrometry; Scattering spectrometry ; Fluorescence spectrometry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/645—Specially adapted constructive features of fluorimeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/42—Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry
    • G01J2003/425—Reflectance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/44—Raman spectrometry; Scattering spectrometry ; Fluorescence spectrometry
    • G01J3/4406—Fluorescence spectrometry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N2021/6417—Spectrofluorimetric devices
    • G01N2021/6421—Measuring at two or more wavelengths
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/645—Specially adapted constructive features of fluorimeters
    • G01N2021/6463—Optics
    • G01N2021/6471—Special filters, filter wheel
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/061—Sources
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/063—Illuminating optical parts
    • G01N2201/0636—Reflectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/08—Optical fibres; light guides
    • G01N2201/0846—Fibre interface with sample, e.g. for spatial resolution

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Pathology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Glass Compositions (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
IL299958A 2020-07-29 2021-07-21 Ultraviolet-visible absorption spectroscopy for gemstone identification IL299958A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202063058385P 2020-07-29 2020-07-29
PCT/US2021/042661 WO2022026274A1 (en) 2020-07-29 2021-07-21 Ultraviolet-visible absorption spectroscopy for gemstone identification

Publications (1)

Publication Number Publication Date
IL299958A true IL299958A (en) 2023-03-01

Family

ID=80002925

Family Applications (1)

Application Number Title Priority Date Filing Date
IL299958A IL299958A (en) 2020-07-29 2021-07-21 Ultraviolet-visible absorption spectroscopy for gemstone identification

Country Status (7)

Country Link
US (2) US11828703B2 (https=)
EP (1) EP4165379A4 (https=)
JP (1) JP2023536448A (https=)
CN (1) CN116157658A (https=)
IL (1) IL299958A (https=)
TW (2) TW202317948A (https=)
WO (1) WO2022026274A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12560535B2 (en) 2020-07-29 2026-02-24 Gemological Institute Of America, Inc. (Gia) Ultraviolet-visible absorption spectroscopy for gemstone identification

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* Cited by examiner, † Cited by third party
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NL2028538B1 (en) * 2021-06-24 2022-12-30 Clearstream Tech Ltd A system for identifying a biological sample and a method for identifying a biological sample
EP4293346A1 (en) * 2022-06-14 2023-12-20 Fundació Institut de Ciències Fotòniques Methods and systems for gemstone identification, tracking and/or tracing
US12613185B2 (en) * 2022-07-20 2026-04-28 Smart Pro Instrument Co., Ltd. Gemstone multi-tester instrument with removable probe
US12529658B2 (en) * 2022-07-20 2026-01-20 Smart Pro Instrument Co., Ltd. Diamond and colorless gemstone multi-tester
WO2025264441A1 (en) * 2024-06-18 2025-12-26 Gemological Institute Of America, Inc. (Gia) Pearl grading instrument and methods

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JP4624505B2 (ja) * 1998-10-23 2011-02-02 日本分光株式会社 スペクトルデータ処理装置
JP2006119130A (ja) * 2004-09-27 2006-05-11 Shimadzu Corp 光源装置
GB2447252B (en) * 2007-03-06 2012-03-14 Thermo Fisher Scientific Inc X-ray analysis instrument
GB2462121A (en) 2008-07-25 2010-01-27 Diamond Trading Company Ltd Gemstone Viewer
CA2739721A1 (en) * 2008-10-09 2010-04-15 Opal Producers Australia Limited Modified apparatus and method for assessment, evaluation and grading of gemstones
US8477293B2 (en) 2009-02-27 2013-07-02 Gemological Institute Of America (Gia) Method and apparatus for rapidly cooling a gem, including two stage cooling
JP5891564B2 (ja) * 2009-06-26 2016-03-23 エレメント シックス リミテッド ファンシーな淡い青色又はファンシーな淡い青色／緑色の単結晶ｃｖｄダイヤモンドの製造方法及び得られた製品
JP2012063321A (ja) * 2010-09-17 2012-03-29 Hamamatsu Photonics Kk 反射率測定装置、反射率測定方法、膜厚測定装置及び膜厚測定方法
WO2013006853A1 (en) * 2011-07-07 2013-01-10 Cidra Corporate Services Inc. Spectroscopic analysis of oil sands ore face for real time ore blend management
US8859969B2 (en) 2012-03-27 2014-10-14 Innovative Science Tools, Inc. Optical analyzer for identification of materials using reflectance spectroscopy
US9075015B2 (en) * 2012-06-04 2015-07-07 Frederick W. Shapiro Universal tool for automated gem and mineral identification and measurement
GB2516297A (en) * 2013-07-18 2015-01-21 De Beers Centenary AG Measuring parameters of a cut gemstone
WO2016022153A1 (en) 2014-08-08 2016-02-11 Empire Technology Deveplopment Llc Spectroscopic determination of optical properties of gemstones
EP3150562B1 (de) * 2015-10-01 2022-02-16 Heraeus Quarzglas GmbH & Co. KG Verwendung von optischem filtermaterial aus dotiertem quarzglas sowie das optische filtermaterial enthaltende uv-lampe
CA3034857C (en) * 2016-08-26 2021-10-19 Public Joint Stock Company "Alrosa" Device for identifying a diamond
JP2020506369A (ja) * 2016-12-15 2020-02-27 ジェモロジカル インスティテュート オブ アメリカ インコーポレイテッド（ジーアイエー） 宝石用原石のスクリーニング装置および方法
CN208588682U (zh) * 2018-05-08 2019-03-08 南京简智仪器设备有限公司 用于钻石鉴定的光学综合测试装置
JP2023536448A (ja) 2020-07-29 2023-08-25 ジェモロジカル インスティテュート オブ アメリカ インコーポレイテッド（ジーアイエー） 宝石識別のための紫外線可視吸収分光
CN214668643U (zh) * 2021-04-22 2021-11-09 深圳市飞博尔珠宝科技有限公司 基于反射法分辨天然钻石、合成钻石及莫桑石的鉴别装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12560535B2 (en) 2020-07-29 2026-02-24 Gemological Institute Of America, Inc. (Gia) Ultraviolet-visible absorption spectroscopy for gemstone identification

Also Published As

Publication number Publication date
US20220034795A1 (en) 2022-02-03
JP2023536448A (ja) 2023-08-25
WO2022026274A1 (en) 2022-02-03
TWI792457B (zh) 2023-02-11
CN116157658A (zh) 2023-05-23
EP4165379A1 (en) 2023-04-19
US12560535B2 (en) 2026-02-24
TW202212805A (zh) 2022-04-01
TW202317948A (zh) 2023-05-01
US11828703B2 (en) 2023-11-28
EP4165379A4 (en) 2024-12-25
US20240060879A1 (en) 2024-02-22

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