CA2241470C - Detection des diamants a l'aide de la diffusion raman anti-stokes coherente - Google Patents

Detection des diamants a l'aide de la diffusion raman anti-stokes coherente Download PDF

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Publication number
CA2241470C
CA2241470C CA002241470A CA2241470A CA2241470C CA 2241470 C CA2241470 C CA 2241470C CA 002241470 A CA002241470 A CA 002241470A CA 2241470 A CA2241470 A CA 2241470A CA 2241470 C CA2241470 C CA 2241470C
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CA
Canada
Prior art keywords
laser
diamond
beams
signal
another
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CA002241470A
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English (en)
Other versions
CA2241470A1 (fr
Inventor
Narendra Balaguru Viranna
Gerald Noel Van Der Horst Robertson
Harry Stephen Thackwray Driver
Sisa Lesly Pityana
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
De Beers Consolidated Mines Ltd
Original Assignee
De Beers Consolidated Mines Ltd
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 De Beers Consolidated Mines Ltd filed Critical De Beers Consolidated Mines Ltd
Publication of CA2241470A1 publication Critical patent/CA2241470A1/fr
Application granted granted Critical
Publication of CA2241470C publication Critical patent/CA2241470C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
CA002241470A 1997-06-26 1998-06-23 Detection des diamants a l'aide de la diffusion raman anti-stokes coherente Expired - Fee Related CA2241470C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA97/5676 1997-06-26
ZA975676 1997-06-26

Publications (2)

Publication Number Publication Date
CA2241470A1 CA2241470A1 (fr) 1998-12-26
CA2241470C true CA2241470C (fr) 2005-06-21

Family

ID=25586458

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002241470A Expired - Fee Related CA2241470C (fr) 1997-06-26 1998-06-23 Detection des diamants a l'aide de la diffusion raman anti-stokes coherente

Country Status (3)

Country Link
AU (1) AU732189B2 (fr)
CA (1) CA2241470C (fr)
RU (1) RU2180108C2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2418858A1 (fr) * 2000-08-11 2002-02-21 De Beers Consolidated Mines Limited Detection de diamant par spectroscopie raman anti-stokes coherente
AU2003212060A1 (en) * 2002-07-10 2004-01-29 Opdetech Pty Ltd Sorting Assembly
PL3529593T3 (pl) * 2016-10-24 2023-11-20 Tomra Sorting Gmbh Sposób i system do wykrywania sygnatury diamentu

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4936823A (en) * 1988-05-04 1990-06-26 Triangle Research And Development Corp. Transendoscopic implant capsule
GB2219394B (en) * 1988-05-06 1992-09-16 Gersan Ets Sensing a narrow frequency band of radiation and examining objects or zones
GB2228317B (en) * 1989-01-19 1993-02-10 De Beers Ind Diamond Fourier transform discrimination
JPH06103269B2 (ja) * 1990-07-06 1994-12-14 金作 山下 ダイヤモンド等の宝石の観察または撮影方法および器具
ZA955745B (en) * 1994-08-19 1996-02-20 De Beers Ind Diamond Classification of particles according to their Raman response

Also Published As

Publication number Publication date
CA2241470A1 (fr) 1998-12-26
AU7320598A (en) 1999-01-07
RU2180108C2 (ru) 2002-02-27
AU732189B2 (en) 2001-04-12

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