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US4710937A Expired / Lapsed US ⏱️ 0.0 years remaining

Laser system

Assignee: Mitsubishi Electric Corp
•
Filing: 1986-04-14
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Granted: 1987-12-01
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Expires: 2006-04-14
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Abstract

Abstract A dye laser system for emitting laser beams of various wavelengths, which includes a plurality of dye vessels apart from each other and a mirror for oscillating the laser beams and for reflecting the beams to a beam splitter. Two wavelength selectors are provided for directing a specific wavelength portion of the beams to the beam splitter and for directing a specific wavelength portion of the beams to the mirror.

Inventors

  • 👤 Tatsuo Oomori
  • 👤 Kouichi Ono
  • 👤 Shigeto Fujita

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 12:35
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/05; H01S3/08; H01S3/081; H01S3/082; H01S3/0823; H01S3/02; H01S3/022

Claims Analysis

Total Claims: 33
Claim 1
Independent Claim 179 words
A laser system comprising: a plurality of dye vessels which are disposed in series at predetermined intervals and each of which contains a lasing dye and a solvent for the dye, said dyes generating light waves of different laser oscillation wavelengths when subjected to pumping; a translucent output mirror means disposed on one side of said dye vessels and used for both laser transmission and oscillation; reflecting mirror means disposed inclinedly between said dye vessels, said reflecting mirror means having a window formed centrally thereof; a first wavelength selecting means positioned so that a specific wavelength portion of a beam reflected by said reflecting mirror means is reflected selectively at a high reflectance toward said reflecting mirror means; a second wavelength selecting means disposed on an opposite side of said dye vessels and functioning to reflect a specific wavelength portion of a beam passing through the window of said reflecting mirror means, selectively at a high reflectance toward said output mirror means; and pumping means positioned so that a pumping light is directed toward each of said lasing dyes.
Claim 2
Dependent Claim 179 words
A laser system comprising: a plurality of dye vessels which are disposed in series at predetermined intervals and each of which contains a lasing dye and a solvent for the dye, said dyes generating light waves of different laser oscillation wavelengths when subjected to pumping; a translucent output mirror means disposed on one side of said dye vessels and used for both laser transmission and oscillation; reflecting mirror means disposed inclinedly between said dye vessels, said reflecting mirror means having a window formed centrally thereof; a first wavelength selecting means positioned so that a specific wavelength portion of a beam reflected by said reflecting mirror means is reflected selectively at a high reflectance toward said reflecting mirror means; a second wavelength selecting means disposed on an opposite side of said dye vessels and functioning to reflect a specific wavelength portion of a beam passing through the window of said reflecting mirror means, selectively at a high reflectance toward said output mirror means; and pumping means positioned so that a pumping light is directed toward each of said lasing dyes.
Claim 3
Dependent Claim 23 words
A laser system as set forth in claim 1, wherein said pumping means radiates said pumping light to said plural being dyes simultaneously.
Claim 4
Dependent Claim 17 words
A laser system as set forth in claim 1, using a flash lamp as said pumping means.
Claim 5
Dependent Claim 24 words
A laser system as set forth in claim 3, wherein said flash lamp is a single flash lamp having a plurality of helical portions.
Claim 6
Dependent Claim 27 words
A laser system as set forth in claim 3, wherein said flash lamp is provided in plural numbers which are synchronized to output a flash lamp light.
Claim 7
Dependent Claim 31 words
A laser system as set forth in claim 1, wherein at least one of said first wavelength selecting means and said second wavelength selecting means is constituted by a diffraction grating.
Claim 8
Dependent Claim 38 words
A laser system as set forth in claim 1, wherein at least one of said first wavelength selecting means and said second wavelength selecting means is constituted by a combination of a prism and a total reflecting mirror.
Claim 9
Dependent Claim 22 words
A laser system as set forth in claim 1, wherein at least one said reflecting mirror means is a plane reflecting mirror.
Claim 10
Dependent Claim 22 words
A laser system as set forth in claim 1, wherein at least one said reflecting mirror means is a concave reflecting mirror.
Claim 11
Dependent Claim 29 words
A laser system as set forth in claim 9, including a concave lens disposed in a position in which the beam reflected by said concave reflecting mirror is collimated.
Claim 12
Dependent Claim 242 words
A laser system comprising: an output mirror means which is used for both laser transmission and oscillation; reflecting mirror means disposed inclinedly at a redetermined spacing on one side of said output mirror and having a window formed centrally thereof; a first light-transmitting dye vessel positioned adjacent said reflecting mirror means on a side close to said output mirror means, said first dye vessel having a through hole formed in position aligned with the window of said reflecting mirror means and containing a first lasing dye and a solvent for the dye, said first lasing dye producing a stimulated light output upon pumping; a second light-transmitting dye vessel so positioned as to put said reflecting mirror means between it and said output mirror means, said second dye vessel containing a second lasing dye and a solvent for the dye, said second lasing dye producing upon pumping a stimulated light output having a wavelength different from that of the stimulated light output produced by said first lasing dye in said first dye vessel; a first wavelength selecting means positioned so that a specific wavelength portion of a beam reflected by said reflecting mirror means is reflected selectively at a high reflectance toward said reflecting mirror means; a second wavelength selecting mean so positioned as to put said second dye vessel between it and said output mirror means; and pumping means positioned so that a pumping light is directed toward each said lasing dye.
Claim 13
Dependent Claim 242 words
A laser system comprising: an output mirror means which is used for both laser transmission and oscillation; reflecting mirror means disposed inclinedly at a redetermined spacing on one side of said output mirror and having a window formed centrally thereof; a first light-transmitting dye vessel positioned adjacent said reflecting mirror means on a side close to said output mirror means, said first dye vessel having a through hole formed in position aligned with the window of said reflecting mirror means and containing a first lasing dye and a solvent for the dye, said first lasing dye producing a stimulated light output upon pumping; a second light-transmitting dye vessel so positioned as to put said reflecting mirror means between it and said output mirror means, said second dye vessel containing a second lasing dye and a solvent for the dye, said second lasing dye producing upon pumping a stimulated light output having a wavelength different from that of the stimulated light output produced by said first lasing dye in said first dye vessel; a first wavelength selecting means positioned so that a specific wavelength portion of a beam reflected by said reflecting mirror means is reflected selectively at a high reflectance toward said reflecting mirror means; a second wavelength selecting mean so positioned as to put said second dye vessel between it and said output mirror means; and pumping means positioned so that a pumping light is directed toward each said lasing dye.
Claim 14
Dependent Claim 23 words
A laser system as set forth in claim 11, wherein said pumping means radiates said pumping light to said plural lasing dyes simultaneously.
Claim 15
Dependent Claim 17 words
A laser system as set forth in claim 11, using a flash lamp as said pumping means.
Claim 16
Dependent Claim 24 words
A laser system as set forth in claim 13, wherein said flash lamp is a single flash lamp having a plurality of helical portions.
Claim 17
Dependent Claim 27 words
A laser system as set forth in claim 13, wherein said flash lamp is provided in plural numbers which are synchronized to output a flash lamp light.
Claim 18
Dependent Claim 31 words
A laser system as set forth in claim 11, wherein at least one of said first wavelength selecting means and/or said second wavelength selecting means is constituted by a diffraction grating.
Claim 19
Dependent Claim 38 words
A laser system as set forth in claim 11, wherein at least one of said first wavelength selecting means and said second wavelength selecting means is constituted by a combination of a prism and a total reflecting mirror.
Claim 20
Dependent Claim 22 words
A laser system as set forth in claim 11, wherein at least one said reflecting mirror means is a plane reflecting mirror.
Claim 21
Dependent Claim 22 words
A laser system as set forth in claim 11, wherein at least one said reflecting mirror means is a concave reflecting mirror.
Claim 22
Dependent Claim 29 words
A laser system as set forth in claim 19, including a concave lens disposed in a position in which the beam reflected by said concave reflecting mirror is collimated.
Claim 23
Dependent Claim 153 words
A laser system comprising: a plurality of dye vessels which are disposed in series at predetermined intervals and each of which contains a lasing dye and a solvent for the dye, said lasing dyes generatng light waves of different laser oscillation wavelengths when subjected to pumping; a translucent output mirror means disposed on one side of said plural dye vessels and used for both laser transmission and oscillation; a beam splitter disposed between said dye vessels for splitting light waves reflected from said output mirror means; a first wavelength selecting means disposed in an incident portion of the light wave reflected by said beam splitter and functioning to reflect a specific wavelength portion selectively; a second wavelength selecting means disposed on an opposite side of said dye vessels and functioning to reflect a specific wavelength portion selectively; and pumping means positioned so that a pumping light is directed toward each said lasing dyes.
Claim 24
Dependent Claim 153 words
A laser system comprising: a plurality of dye vessels which are disposed in series at predetermined intervals and each of which contains a lasing dye and a solvent for the dye, said lasing dyes generatng light waves of different laser oscillation wavelengths when subjected to pumping; a translucent output mirror means disposed on one side of said plural dye vessels and used for both laser transmission and oscillation; a beam splitter disposed between said dye vessels for splitting light waves reflected from said output mirror means; a first wavelength selecting means disposed in an incident portion of the light wave reflected by said beam splitter and functioning to reflect a specific wavelength portion selectively; a second wavelength selecting means disposed on an opposite side of said dye vessels and functioning to reflect a specific wavelength portion selectively; and pumping means positioned so that a pumping light is directed toward each said lasing dyes.
Claim 25
Dependent Claim 50 words
A laser system as set forth in claim 21, wherein the reflectance of said beam splitter is set maximum for a specific wavelength portion of light wave generated by pumping of the dye in the dye vessel disposed on the side of said output mirror adjacent to said beam splitter.
Claim 26
Dependent Claim 22 words
A laser system as set forth in claim 21, wherein said pumping means radiates the pumping light to said lasing dyes simultaneously.
Claim 27
Dependent Claim 22 words
A laser system as set forth in claim 21, using a flash lamp light as the pumping light of said pumping means.
Claim 28
Dependent Claim 31 words
A laser system as set forth in claim 21, wherein at least one of said first wavelength selecting means and said second wavelength selecting means is constituted by a diffraction grating.
Claim 29
Dependent Claim 38 words
A laser system as set forth in claim 21, wherein at least one of said first wavelength selecting means and said second wavelength selecting means is constituted by a combination of a prism and a total reflection mirror.
Claim 30
Dependent Claim 244 words
A laser system including: a first light wave oscillating optical resonator for emitting a first laser beam of a first wavelength and a second light wave oscillating optical resonator for emitting a second laser beam of a second wavelength different from the first wavelength, said first light wave oscillating optical resonator comprising: a first dye vessel made of a light-transmitting material, said first dye vessel containing a first lasing dye solution which produces a first light wave including said first wavelength when subjected to pumping; beam splitting means for receiving and splitting beams which have passed through said first dye vessel into at least two directions; and a first wavelength selecting means for receiving one beam from said beam splitting means and reflecting a light wave of the first wavelength in the received beam selectively at a high reflectance toward said laser beam emitting means through said beam splitting means and said firt dye vessel, said second light wave oscillating optical resonator including; a second dye vessel which contains a second lasing dye solution which produces a second light wave including said second wavelength and upon which is incident the other beam from said beam splitting means; and a second wavelength selecting means for receiving the beam which has passed through said second dye vessel and reflecting a light wave of the second wavelength in the received beam selectively at a high reflectance toward said laser beam emitting means through said second dye vessel.
Claim 31
Dependent Claim 244 words
A laser system including: a first light wave oscillating optical resonator for emitting a first laser beam of a first wavelength and a second light wave oscillating optical resonator for emitting a second laser beam of a second wavelength different from the first wavelength, said first light wave oscillating optical resonator comprising: a first dye vessel made of a light-transmitting material, said first dye vessel containing a first lasing dye solution which produces a first light wave including said first wavelength when subjected to pumping; beam splitting means for receiving and splitting beams which have passed through said first dye vessel into at least two directions; and a first wavelength selecting means for receiving one beam from said beam splitting means and reflecting a light wave of the first wavelength in the received beam selectively at a high reflectance toward said laser beam emitting means through said beam splitting means and said firt dye vessel, said second light wave oscillating optical resonator including; a second dye vessel which contains a second lasing dye solution which produces a second light wave including said second wavelength and upon which is incident the other beam from said beam splitting means; and a second wavelength selecting means for receiving the beam which has passed through said second dye vessel and reflecting a light wave of the second wavelength in the received beam selectively at a high reflectance toward said laser beam emitting means through said second dye vessel.
Claim 32
Dependent Claim 75 words
A laser system as set forth in claim 27, wherein at least said first dye vessel, said beam splitting means and said second dye vessel are disposed on a single straight line, and said beam splitting means is disposed inclinedly between said first and second dye vessels and has a light-transmitting window portion formed centrally, the side face around said window portion on the side of said first dye vessel being a light reflecting face.
Claim 33
Dependent Claim 42 words
A laser system as set forth in claim 28, wherein said first dye vessel has a through hole formed in a position aligned with the window portion of said beam splitting means and contains the first lasing dye around said through hole.

References Cited (Backward Citations)

US3753148A Cited
US3969684A Cited
US4410995A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1990-11-30 1991-06-01 1991-12-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1994-11-30 1995-06-01 1995-12-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1998-11-30 1999-06-01 1999-12-01 $7700.00 Window Closed / Lapsed

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