Title:
OPTICAL REFLECTOR AND OPTICAL SYSTEM
Document Type and Number:
WIPO Patent Application WO/2007/020778
Kind Code:
A1
Abstract:
Provided are an optical reflector and an optical system which modify strictness
in optical filter arrangement and permit the length to be shortened when an input/output
port and a reflection member are arranged in parallel. The optical reflector
is formed on a substrate. The optical reflector is provided with an incoming/outgoing
end plane (16) from which light enters and exits; a single multimode optical waveguide
(2) having a reflection end plane (18) whereupon the reflection member (12) is
arranged for reflecting light having a prescribed wavelength; and first light
input/output means (4, 6) and second light input/output means (8, 10) connected
to the multimode optical waveguide (2) in the incoming/outgoing end plane (16).
Tangent lines (4e, 8e) of a first axis line (4d) of the first light input/output
means (4) and a second axis line (8d) of the first light input/output means (8)
on the incoming/outgoing plane (16) are parallel to each other or intersect with
each other beyond the reflection end plane (18).
Inventors:
YAMAMOTO REI (JP)
MIYADERA NOBUO (JP)
MIYADERA NOBUO (JP)
Application Number:
PCT/JP2006/314756
Publication Date:
February 22, 2007
Filing Date:
July 26, 2006
Export Citation:
Assignee:
HITACHI CHEMICAL CO LTD (JP)
YAMAMOTO REI (JP)
MIYADERA NOBUO (JP)
YAMAMOTO REI (JP)
MIYADERA NOBUO (JP)
International Classes:
G02B6/122; G02B6/12; G02B6/293; G02B6/30
Foreign References:
| JP2004170764A | 2004-06-17 | |||
| JP2002006155A | 2002-01-09 | |||
| JP2001514766A | 2001-09-11 |
Other References:
YAMAMOTO R. ET AL.: "Fussoka Polyimide o Mochiita Vko Shusekigata Hikari Doharo (1)-TFF Ichi Tolerance o Kojo Saseta 3ha WDM Filter-", 2005 NEN DENSHI JOHO TSUSHIN GAKKAI SOGO ZENKOKU TAIKAI KOEN RONBUNSHU, ELECTRONICS 1, 7 March 2005 (2005-03-07), pages 231, (LECTURE NO. C-3-61), XP002998306
MIYADERA N. ET AL.: "Fussoka Polyimide o Mochiita Vko Shuseikigata Hikari Doharao (2)-Polymer Hikari Doharo no MMI Bu ni 2 Mai no TFF o Sonyu shita 3 Ha WDM Filter-", 2005 NEN DENSHI JOHO TSUSHIN GAKKAI SOGO ZENKOKU TAIKAI KOEN RONBUNSHU, ELECTRONICS 1, 7 March 2005 (2005-03-07), pages 232, (LECTURE NO. C-3-62), XP002976210
AUGUSTSSON T.: "Bragg Grating-Assisted MMI-Computer for Add-Drop Multiplexing", JOURNAL OF LIGHTWAVE TECHNOLOGY, vol. 16, no. 8, August 1998 (1998-08-01), pages 1517 - 1522, XP000786587
MIYADERA N. ET AL.: "Fussoka Polyimide o Mochiita Vko Shuseikigata Hikari Doharao (2)-Polymer Hikari Doharo no MMI Bu ni 2 Mai no TFF o Sonyu shita 3 Ha WDM Filter-", 2005 NEN DENSHI JOHO TSUSHIN GAKKAI SOGO ZENKOKU TAIKAI KOEN RONBUNSHU, ELECTRONICS 1, 7 March 2005 (2005-03-07), pages 232, (LECTURE NO. C-3-62), XP002976210
AUGUSTSSON T.: "Bragg Grating-Assisted MMI-Computer for Add-Drop Multiplexing", JOURNAL OF LIGHTWAVE TECHNOLOGY, vol. 16, no. 8, August 1998 (1998-08-01), pages 1517 - 1522, XP000786587
Attorney, Agent or Firm:
KUMAKURA, Yoshio et al. (Shin-Tokyo Bldg. 3-1, Marunouchi 3-chom, Chiyoda-ku Tokyo, JP)
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