AU6253569A - Optical devices - Google Patents

Optical devices

Info

Publication number
AU6253569A
AU6253569A AU62535/69A AU6253569A AU6253569A AU 6253569 A AU6253569 A AU 6253569A AU 62535/69 A AU62535/69 A AU 62535/69A AU 6253569 A AU6253569 A AU 6253569A AU 6253569 A AU6253569 A AU 6253569A
Authority
AU
Australia
Prior art keywords
optical devices
optical
devices
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
Application number
AU62535/69A
Inventor
DONALD HEWITT and MALL IKAARACHCHIGE DON ARNAL PARAKRAMA WIJETUNGA ALFRED
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.)
Commonwealth Industrial Gases Ltd
Original Assignee
Commonwealth Industrial Gases 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 Commonwealth Industrial Gases Ltd filed Critical Commonwealth Industrial Gases Ltd
Priority to AU62535/69A priority Critical patent/AU6253569A/en
Publication of AU6253569A publication Critical patent/AU6253569A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/0977—Reflective elements
    • G02B27/0983—Reflective elements being curved
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0019—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having reflective surfaces only (e.g. louvre systems, systems with multiple planar reflectors)
    • G02B19/0023—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having reflective surfaces only (e.g. louvre systems, systems with multiple planar reflectors) at least one surface having optical power
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
AU62535/69A 1969-10-20 1969-10-20 Optical devices Expired AU6253569A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU62535/69A AU6253569A (en) 1969-10-20 1969-10-20 Optical devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU62535/69A AU6253569A (en) 1969-10-20 1969-10-20 Optical devices

Publications (1)

Publication Number Publication Date
AU6253569A true AU6253569A (en) 1971-04-22

Family

ID=3747477

Family Applications (1)

Application Number Title Priority Date Filing Date
AU62535/69A Expired AU6253569A (en) 1969-10-20 1969-10-20 Optical devices

Country Status (1)

Country Link
AU (1) AU6253569A (en)

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