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GB2213964B - Optical alignment system - Google Patents

Optical alignment system

Info

Publication number
GB2213964B
GB2213964B GB8900701A GB8900701A GB2213964B GB 2213964 B GB2213964 B GB 2213964B GB 8900701 A GB8900701 A GB 8900701A GB 8900701 A GB8900701 A GB 8900701A GB 2213964 B GB2213964 B GB 2213964B
Authority
GB
United Kingdom
Prior art keywords
alignment system
optical alignment
optical
alignment
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
GB8900701A
Other versions
GB8900701D0 (en
GB2213964A (en
Inventor
Dr A J B Travis
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.)
UK Atomic Energy Authority
Original Assignee
UK Atomic Energy Authority
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 UK Atomic Energy Authority filed Critical UK Atomic Energy Authority
Publication of GB8900701D0 publication Critical patent/GB8900701D0/en
Publication of GB2213964A publication Critical patent/GB2213964A/en
Application granted granted Critical
Publication of GB2213964B publication Critical patent/GB2213964B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
    • B23K26/042—Automatically aligning the laser beam
    • B23K26/043—Automatically aligning the laser beam along the beam path, i.e. alignment of laser beam axis relative to laser beam apparatus
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Lasers (AREA)
GB8900701A 1988-01-15 1989-01-12 Optical alignment system Expired - Fee Related GB2213964B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8800894A GB8800894D0 (en) 1988-01-15 1988-01-15 Optical alignment system

Publications (3)

Publication Number Publication Date
GB8900701D0 GB8900701D0 (en) 1989-03-08
GB2213964A GB2213964A (en) 1989-08-23
GB2213964B true GB2213964B (en) 1992-06-17

Family

ID=10630023

Family Applications (2)

Application Number Title Priority Date Filing Date
GB8800894A Pending GB8800894D0 (en) 1988-01-15 1988-01-15 Optical alignment system
GB8900701A Expired - Fee Related GB2213964B (en) 1988-01-15 1989-01-12 Optical alignment system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB8800894A Pending GB8800894D0 (en) 1988-01-15 1988-01-15 Optical alignment system

Country Status (1)

Country Link
GB (2) GB8800894D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4123052A1 (en) * 1990-09-13 1992-03-19 Messerschmitt Boelkow Blohm Integrated sensor and focus adjuster for high power laser - determines focusing error using quadrant detector and sends corrective control signals to piezoelectric or magnetostrictive actuators
GB2299873A (en) * 1996-01-23 1996-10-16 David Scanlan Steerable image display device

Also Published As

Publication number Publication date
GB8900701D0 (en) 1989-03-08
GB8800894D0 (en) 1988-06-02
GB2213964A (en) 1989-08-23

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930112