KR101162135B1 - 회절 소자 및 광학 장치 - Google Patents
회절 소자 및 광학 장치 Download PDFInfo
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- KR101162135B1 KR101162135B1 KR1020057014183A KR20057014183A KR101162135B1 KR 101162135 B1 KR101162135 B1 KR 101162135B1 KR 1020057014183 A KR1020057014183 A KR 1020057014183A KR 20057014183 A KR20057014183 A KR 20057014183A KR 101162135 B1 KR101162135 B1 KR 101162135B1
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- 229910010413 TiO 2 Inorganic materials 0.000 claims description 8
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 4
- -1 Ta 2 O 5 Inorganic materials 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1847—Manufacturing methods
- G02B5/1857—Manufacturing methods using exposure or etching means, e.g. holography, photolithography, exposure to electron or ion beams
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/12—Generating the spectrum; Monochromators
- G01J3/18—Generating the spectrum; Monochromators using diffraction elements, e.g. grating
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1809—Diffraction gratings with pitch less than or comparable to the wavelength
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1866—Transmission gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
- G02B5/1871—Transmissive phase gratings
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
- Polarising Elements (AREA)
Abstract
Description
또한, 상기의 회절 소자가 이용되고 있는 것을 특징으로 하는 광학 장치를 제공한다.
Claims (14)
- 기판 표면에 형성된 또는 기판 상에 성막된 층에 형성된 격자로서, 단면이 요철 형상이고 볼록부 상면이 평탄하며 볼록부가 대칭인 격자를 갖는 투과형 회절 소자로서,상기 회절 소자의 볼록부는,상기 기판 상에 적층된 1층 이상의 광학 재료의 층을 갖고,상기 회절 소자의 상기 격자의 1 주기는 입사하는 빛의 파장의 0.55~1.45배의 범위이며,상기 회절 소자의 격자 형성면에 빛이 경사져 입사하여 사용되는 것을 특징으로 하는 회절 소자.
- 제 1 항에 있어서,상기 격자의 1 주기를 차지하는 볼록부와 오목부의 비율에 있어서 상기 볼록부의 비율이 상기 오목부의 비율 이상인, 회절 소자.
- 제 1 항에 있어서,상기 격자의 볼록부를 형성하는 벽면이 경사지며,상기 격자의 1 주기를 차지하는 격자 볼록부의 상단의 비율이 격자 볼록부의 바닥부의 비율보다 작은, 회절 소자.
- 제 3 항에 있어서,상기 격자의 볼록부를 형성하는 벽면이 경사지며,상기 격자 볼록부의 벽면의 테이퍼각은 3 ° 내지 6 ° 인 회절 소자.
- 제 1 항에 있어서,상기 광학 재료가 TiO2, SiO2, Ta2O5, Al2O3로부터 선택된 것으로 이루어지는, 회절 소자.
- 제 1 항 또는 제 2 항에 있어서,상기 기판으로서 투명 기판이 사용되고,상기 투명 기판 상에 성막된 층에 격자의 볼록부가 형성되며,상기 격자의 볼록부는 상기 투명 기판보다 굴절률이 높은, 회절 소자.
- 제 6 항에 있어서,상기 투명 기판 상에 성막된 층이 SiO2, TiO2, Ta2O5, Si3N4, Si로 이루어지는 군으로부터 선택된 하나를 함유하는 층 또는 이들의 혼합물로 이루어지는 층인, 회절 소자.
- 제 1 항 또는 제 2 항에 기재된 회절 소자의 하나의 면에 다른 광학 소자가 적층되어 일체화되어 있는, 광학 소자.
- 기판 표면에 형성된 또는 기판 상에 성막된 층에 형성된 격자로서, 그 단면이 요철 형상이고 볼록부 상면이 평탄하며 볼록부가 대칭인 격자를 구비하며, 상기 격자의 1 주기는 입사하는 빛의 파장의 0.55~1.45배의 범위인, 투과형 회절 소자의 사용 방법으로서,상기 회절 소자의 볼록부는,상기 기판 상에 적층된 1 층 이상의 광학 재료의 층을 갖고,상기 회절 소자의 격자 형성면에 빛이 경사져 입사하여 사용되는 것을 특징으로 하는 회절 소자의 사용 방법.
- 제 9 항에 있어서,상기 빛이 경사져 입사할 때의 입사 각도가 상기 회절 소자의 표면에 세운 법선에 대하여 15°내지 80°의 범위에 있는, 회절 소자의 사용 방법.
- 제 1 항 또는 제 2 항에 기재된 회절 소자를 포함하는 것을 특징으로 하는 광학 장치.
- 제 11 항에 기재된 광학 장치는 분광 장치이며,상기 회절 소자의 기판으로서 투명 기판이 사용되고,상기 회절 소자가 투과형 소자로서 사용되는 것을 특징으로 하는 분광 장치.
- 제 1 항에 있어서,상기 회절 소자의 볼록부는,기판의 볼록부, 및상기 기판의 볼록부상에 적층된 1층 이상의 광학 재료의 층으로 이루어지는 회절소자.
- 기판 표면에 형성된 또는 기판 상에 성막된 층에 형성된 격자로서, 단면이 요철 형상이고 또한 볼록부 상면이 평탄하며 볼록부가 대칭인 격자를 갖는 회절 소자에 있어서,상기 격자의 볼록부를 형성하는 벽면이 경사지며,상기 격자 볼록부의 벽면의 테이퍼각은 3 ° 내지 6 ° 이고,회절 소자의 격자의 1 주기는 입사하는 빛의 파장의 0.55 ~ 1.45 배의 범위이고, 또한 회절 소자의 격자 형성면에 빛이 경사져 입사하여 사용되는 것을 특징으로 하는 회절 소자.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPJP-P-2003-00068214 | 2003-03-13 | ||
| JP2003068214 | 2003-03-13 | ||
| JP2003078133 | 2003-03-20 | ||
| JPJP-P-2003-00078133 | 2003-03-20 | ||
| PCT/JP2004/003305 WO2004081620A1 (ja) | 2003-03-13 | 2004-03-12 | 回折素子および光学装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20050109475A KR20050109475A (ko) | 2005-11-21 |
| KR101162135B1 true KR101162135B1 (ko) | 2012-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020057014183A Expired - Lifetime KR101162135B1 (ko) | 2003-03-13 | 2004-03-12 | 회절 소자 및 광학 장치 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7142363B2 (ko) |
| EP (1) | EP1602947A4 (ko) |
| JP (2) | JPWO2004081620A1 (ko) |
| KR (1) | KR101162135B1 (ko) |
| WO (1) | WO2004081620A1 (ko) |
Cited By (1)
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|---|---|---|---|---|
| JP2013024625A (ja) * | 2011-07-19 | 2013-02-04 | Seiko Epson Corp | 分光装置、検出装置及び分光装置の製造方法 |
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| JP2023059010A (ja) * | 2021-10-14 | 2023-04-26 | 三菱ケミカル株式会社 | 導光板 |
| US20230120539A1 (en) * | 2021-10-15 | 2023-04-20 | Applied Materials, Inc. | Metallized high-index blaze grating incoupler |
| US20230359031A1 (en) * | 2022-05-09 | 2023-11-09 | Visera Technologies Company Limited | Waveguide structure and display device using the same |
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- 2004-03-12 EP EP04720263A patent/EP1602947A4/en not_active Withdrawn
- 2004-03-12 KR KR1020057014183A patent/KR101162135B1/ko not_active Expired - Lifetime
- 2004-03-12 WO PCT/JP2004/003305 patent/WO2004081620A1/ja not_active Ceased
- 2004-03-12 JP JP2005503603A patent/JPWO2004081620A1/ja not_active Withdrawn
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Also Published As
| Publication number | Publication date |
|---|---|
| US20060001972A1 (en) | 2006-01-05 |
| EP1602947A1 (en) | 2005-12-07 |
| EP1602947A4 (en) | 2007-03-28 |
| JP5077404B2 (ja) | 2012-11-21 |
| US7142363B2 (en) | 2006-11-28 |
| JPWO2004081620A1 (ja) | 2006-06-15 |
| JP2010262320A (ja) | 2010-11-18 |
| KR20050109475A (ko) | 2005-11-21 |
| WO2004081620A1 (ja) | 2004-09-23 |
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