JPS56168618A - Reflection type optical control system - Google Patents

Reflection type optical control system

Info

Publication number
JPS56168618A
JPS56168618A JP5504880A JP5504880A JPS56168618A JP S56168618 A JPS56168618 A JP S56168618A JP 5504880 A JP5504880 A JP 5504880A JP 5504880 A JP5504880 A JP 5504880A JP S56168618 A JPS56168618 A JP S56168618A
Authority
JP
Japan
Prior art keywords
point
control system
imaging
optical control
multiorder
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.)
Pending
Application number
JP5504880A
Other languages
Japanese (ja)
Inventor
Nobuhiro Tsukagoshi
Fumio Matsui
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic Corp
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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Priority to JP5504880A priority Critical patent/JPS56168618A/en
Publication of JPS56168618A publication Critical patent/JPS56168618A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/02—Catoptric systems, e.g. image erecting and reversing system
    • G02B17/06—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror
    • G02B17/0605—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror using two curved mirrors
    • G02B17/061—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror using two curved mirrors on-axis systems with at least one of the mirrors having a central aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)

Abstract

PURPOSE:To obtain aberration-free imaging by setting the projection angle from the object point on the optical axis at a prescribed value and so forming multiorder aspherical faces in such a manner that the sum of the optical path lengths by the 1st reflection and the 2nd refection attains a constant value. CONSTITUTION:In the constitution wherein the light from an object point A reflects at the point P of the 1st refection mirror 1, thence it reflects again at the point Q of the 2nd reflection mirror 2 and passes the imaging point B on the optical axis, such multiorder aspherical faces 3, 4 by which the length of optical path (b+c+d) is made always constant are formed. If in this case a projection angle alpha is smaller than the constant value, no imges are formed at the imaging point B and since this results in the disturbed sharpness of the images, beam stoppers 8, 9 are provided to the front and rear end faces of this optical control system.
JP5504880A 1980-04-25 1980-04-25 Reflection type optical control system Pending JPS56168618A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5504880A JPS56168618A (en) 1980-04-25 1980-04-25 Reflection type optical control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5504880A JPS56168618A (en) 1980-04-25 1980-04-25 Reflection type optical control system

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP18000780A Division JPS56151911A (en) 1980-12-19 1980-12-19 Production of reflection type optical control system

Publications (1)

Publication Number Publication Date
JPS56168618A true JPS56168618A (en) 1981-12-24

Family

ID=12987778

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5504880A Pending JPS56168618A (en) 1980-04-25 1980-04-25 Reflection type optical control system

Country Status (1)

Country Link
JP (1) JPS56168618A (en)

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