Optical waveguides – With optical coupler – Particular coupling structure
Reexamination Certificate
2007-09-11
2007-09-11
Wood, Kevin S. (Department: 2874)
Optical waveguides
With optical coupler
Particular coupling structure
C385S049000, C385S033000, C385S034000
Reexamination Certificate
active
10652955
ABSTRACT:
An optical apparatus comprises a substrate, first and second transmission optical elements on the substrate, and an optical component (such as an isolator) and focusing optical element(s) on the substrate between the transmission elements. Transmission elements may include planar waveguide(s) formed on the substrate and/or optical fiber(s) mounted in groove(s) on the substrate. The focusing element(s) may include: gradient-index (GRIN) segment(s) mounted on the substrate or spliced onto a fiber, a focusing segment(s) of a planar waveguide, ball lens(es), aspheric lens(es), and/or Fresnel lens(es). A dual-lens optical assembly comprises a pair of GRIN segments secured to a substrate in one or more grooves, and may be formed from a common length of GRIN optical medium. An optical component (such as an isolator) is positioned between the paired GRIN segments, and optical power is transmitted by the dual-lens assembly between planar waveguide(s) and/or fiber(s) through the optical component.
REFERENCES:
patent: 4094578 (1978-06-01), DiVita et al.
patent: 4156206 (1979-05-01), Comerford et al.
patent: 4398791 (1983-08-01), Dorsey et al.
patent: 4750799 (1988-06-01), Kawachi et al.
patent: 4978189 (1990-12-01), Blonder et al.
patent: 4989972 (1991-02-01), Braun et al.
patent: 5943454 (1999-08-01), Aksyuk et al.
patent: 6014483 (2000-01-01), Tual et al.
patent: 6498876 (2002-12-01), Liu et al.
patent: 6856749 (2005-02-01), Kosuge et al.
patent: 6922508 (2005-07-01), Glebov et al.
patent: 2003/0077035 (2003-04-01), Deng et al.
patent: 0 575 993 (1993-12-01), None
patent: 1 143 273 (2001-10-01), None
Form PCT/ISA/210—International Search Report (four sheets) App No. PCT/US03/27238.
EPO Search Report for counterpart App. No. PCT/US2003/027238.
Dautartas et al, Hybrid Optical Packaging Challenes and Opportunities, IEEE 2002 Electronics Components and Technology Conference, 2002, pp. 787.
Drogemuller, A Compact Optical Isolator With a Plano-Convex YIG Lens for Laser-to-Fiber Coupling, Journal of Lightwave Technology, Feb. 1989, pp. 340-346, vol. 7, No. 2.
Oki Electric Industry Co. Ltd., Silicon Microlens(About)—R&D—Oki Global, www.oki.com/jp/RDG/English/CGH—ENG/Intro.html, 2003.
Oki Electric Industry Co. Ltd., Silicon Microlens(Technical Data)—R&D—Oki Global, www.oki.com/jp/RDG/English/CGH—ENG/study.html, 2003.
Blauvelt Henry A.
Paslaski Joel S.
Vernooy David W.
Alavi David S.
Christie Parker & Hale LLP
Wood Kevin S.
Xponent Photonics Inc
LandOfFree
Optical assemblies for free-space optical propagation... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Optical assemblies for free-space optical propagation..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical assemblies for free-space optical propagation... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3798188