KR960025436A - 편광광학소자 - Google Patents

편광광학소자 Download PDF

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Publication number
KR960025436A
KR960025436A KR1019950058358A KR19950058358A KR960025436A KR 960025436 A KR960025436 A KR 960025436A KR 1019950058358 A KR1019950058358 A KR 1019950058358A KR 19950058358 A KR19950058358 A KR 19950058358A KR 960025436 A KR960025436 A KR 960025436A
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KR
South Korea
Prior art keywords
grid
optical element
cross
polarizing optical
light transmitting
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KR1019950058358A
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English (en)
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KR100390162B1 (ko
Inventor
히또시 다마다
스이찌 마쯔모또
노리아끼 니시
기미히로 사이또
Original Assignee
이데이 노브유끼
소니 가부시끼가이샤
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Publication of KR960025436A publication Critical patent/KR960025436A/ko
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Publication of KR100390162B1 publication Critical patent/KR100390162B1/ko

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G02B5/3058—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state comprising electrically conductive elements, e.g. wire grids, conductive particles

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Polarising Elements (AREA)

Abstract

그리드주기가 비교적 긴 때 조차도 손실율이 적고 가시파장과 근적외파장영역에서 실질적으로 양호한 편광콘트라스트의 광을 제공하는 편광광학소자가 공개된다. 굴절율 n1으로 기판(2)상에 형성된 금속그리드(1)는 "h"가 그리드의 단면의 두께, "b"는 단면 저변에서 0.5h 떨어지고 그와 평행한 라인을 따라 측정된 단면의 폭, "d"는 그리드주기, "s"는 단면의 저변과 사변이 이루는 각일때, 0.2〈h/d〈0.9, 0.5〈b/d〈0.9, 70°〈s〈110°의 조건을 만족한다.

Description

편광광학소자
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 와이어그리드(wire grid) 편광자를 나타내는 도식적 단면도이다, 제2도(A) 및 (B)는 제1도의 와이어그리드 편광자에 대하여 입사각을 설명하는 도식적 도면이다.

Claims (5)

  1. 여러개의 와이어금속부분들로 구성된 그리드가 기판상에 형성되고, 상기 그리드가 "h"는 각 와이어부분들의 단면의 두께, "b"는 0.5h 떨어지고 그와 평행한 라인을 따라 측정된 단면의 폭, "d"는 그리드주기, "s"는 단면의 저변과 사변이 이루는 각일때, 각각 0.2〈h/d〈0.9, 0.5〈b/d〈0.9, 70°〈s〈110°의 조건을 만족하는 것을 특징으로 하는 편광광학소자.
  2. 제1항에 있어서, n1이 상기 기판의 굴절율이고, ""는 상기 그리드부분들로 입사되는 광학빔의 파장일때, 상기 그리드주기 "d"가/(2n1)〈d〈/)1,1n1)의 조건을 만족하는 것을 특징으로 하는 편광광학소자.
  3. 제1항에 있어서, 상기 그리드가 Au 및/또는 Al로 형성된 것을 특징으로 하는 편광광학소자.
  4. 여러개의 와이어금속부분들로 구성된 그리드부분과, 상기 그리드부분들을 끼우는 제1 및 제2광투광층과, 상기 각각의 와이어금속부분들 사이에 부과된 광투과부분과를 포함하는 편광광학소자에 있어서, 상기 제1 및 제2과투과층의 굴절율이 n2, n3이고, 상기 광투과부분의 굴절율이 n4일때, ｜n4-n2｜〈0.2,｜n3-n2｜〈0.2의 조건이 만족되는 것을 특징으로 하는 편광광학소자.
  5. 제4항에 있어서, 상기 광투과층이 유리이고, 상기 그리드가 Au 및/또는 Al로 형성된 것을 특징으로 하는 편광광학소자.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950058358A 1994-12-29 1995-12-27 편광광학소자 KR100390162B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP94-340382 1994-12-29
JP6340382A JPH08184711A (ja) 1994-12-29 1994-12-29 偏光光学素子

Publications (2)

Publication Number Publication Date
KR960025436A true KR960025436A (ko) 1996-07-20
KR100390162B1 KR100390162B1 (ko) 2003-09-22

Family

ID=18336419

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950058358A KR100390162B1 (ko) 1994-12-29 1995-12-27 편광광학소자

Country Status (6)

Country Link
US (1) US5748368A (ko)
EP (1) EP0721116A1 (ko)
JP (1) JPH08184711A (ko)
KR (1) KR100390162B1 (ko)
CN (1) CN1106581C (ko)
SG (1) SG45132A1 (ko)

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Also Published As

Publication number Publication date
EP0721116A1 (en) 1996-07-10
US5748368A (en) 1998-05-05
SG45132A1 (en) 1998-01-16
CN1157931A (zh) 1997-08-27
KR100390162B1 (ko) 2003-09-22
CN1106581C (zh) 2003-04-23
JPH08184711A (ja) 1996-07-16

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