Optical waveguides – Optical fiber waveguide with cladding
Reexamination Certificate
2005-02-08
2005-02-08
Palmer, Phan T. H. (Department: 2874)
Optical waveguides
Optical fiber waveguide with cladding
C385S037000
Reexamination Certificate
active
06853785
ABSTRACT:
The invention relates to inducing a refractive index change in the glass substrate of a polymer coated optical device by using a high numeric aperture lens to focus a femtosecond laser beam through the polymeric coating to the substrate without damaging the polymeric coating.
REFERENCES:
patent: 4090776 (1978-05-01), Bemal G. et al.
patent: 5620495 (1997-04-01), Aspell et al.
patent: 5679264 (1997-10-01), Gsell
patent: 5761111 (1998-06-01), Glezer
patent: 5978538 (1999-11-01), Miura et al.
patent: 6127050 (2000-10-01), Fromson et al.
patent: 1 045 262 (2000-10-01), None
patent: 1 116 965 (2001-07-01), None
patent: WO 0109899 (2001-02-01), None
patent: WO 0144871 (2001-06-01), None
patent: WO 0182336 (2001-11-01), None
Article: Miura et al., “Photowritten Optical Waveguides in Various Glasses with Ultrashort Pulse Laser,”Appl. Phys. Lett., vol. 71, No. 23, Dec. 8, 1997, pp. 3329-3331.
Article: Homoelle et al., “Infrared Photosensitivity in Silica Glasses Exposed to Femtosecond Laser Pulses,”Optics Letters, vol. 24, No. 18, Sep. 15, 1999, pp. 1311-1313.
Article: Streltsov et al., “Fabrication and Analysis of a Directional Coupler Written in Glass by Nanojoule Femtosecond Laser Pulses,”Optics Letters, vol. 26, No. 1, Jan. 1, 2001, pp. 42-43.
Article: Hirao et al., “Writing Waveguides and Gratings in Silica and Related Materials by a Femtosecond Laser,”Journal of Non-Crystalline Solids, vol. 239, (1998), pp. 91-95.
Article: Kondo et al., “Fabrication of Long-Period Fiber Gratings by Focused Irradiation of Infrared Femtosecond Laser Pulses,”Optics Letters, vol. 24, No. 10, May 15, 1999, pp. 646-648.
Dunn Douglas Scott
Florczak Jeffrey Michael
Hill Jeffrey Bruce
Kalweit Harvey William
3M Innovative Properties Co.
Golman Sean
Palmer Phan T. H.
LandOfFree
Index modulation in glass using a femtosecond laser does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Index modulation in glass using a femtosecond laser, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Index modulation in glass using a femtosecond laser will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3469541