Title:
WAVELENGTH SELECTOR SWITCH
Document Type and Number:
WIPO Patent Application WO/2015/008349
Kind Code:
A1
Abstract:
A wavelength selector switch (1A) is provided with a light input/output unit (10), a spectral element (20), and a light deflection element (30) disposed in a row along a predetermined axial line (C). The light input/output unit (10) has a first portion (10a) in which light enters and exits a light input/output port (11) along an optical axis inclined with respect to the predetermined axial line (C), and a second portion (10b) in which light enters and exists a light input/output port (12) along an optical axis inclined with respect to the predetermined axial line (C). The light entry/exit angle of the light input/output port (11) and the light entry/exit angle of the light input/output port (12) having the predetermined axial line (C) as a reference differ from each other.
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Inventors:
SUZUKI MASAKI (JP)
TAZAWA HIDEHISA (JP)
OHTSUKA TAKAFUMI (JP)
INOUE TAKESHI (JP)
TAZAWA HIDEHISA (JP)
OHTSUKA TAKAFUMI (JP)
INOUE TAKESHI (JP)
Application Number:
PCT/JP2013/069405
Publication Date:
January 22, 2015
Filing Date:
July 17, 2013
Export Citation:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
G02B26/08
Foreign References:
| JP2011248000A | 2011-12-08 | |||
| JP2008224824A | 2008-09-25 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
Yoshiki Hasegawa (JP)
Yoshiki Hasegawa (JP)
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