Numerical aperture optimization using doped cladding layers

Details Numerical aperture optimization using doped cladding layers Numerical aperture optimization using doped cladding layers

2007-11-13

2007-11-13

Nguyen, Dung T. (Department: 2828)

Coherent light generators

Optical fiber laser

C372S064000

Reexamination Certificate

active

10846146

ABSTRACT:
A method and apparatus for optimizing the numerical aperture (NA) of a laser active core. The laser active core comprises at least a first and second cladding pair. The first and second cladding pair have at least one NA value. At least one of the first and second cladding pair is doped with a dopant to change the first NA value to a second NA value.

REFERENCES:
patent: 4815079 (1989-03-01), Snitzer et al.
patent: 5048026 (1991-09-01), Shaw et al.
patent: 5852622 (1998-12-01), Meissner et al.
patent: 5936984 (1999-08-01), Meissner et al.
patent: 6055260 (2000-04-01), Bryen et al.
patent: 6160824 (2000-12-01), Meissner et al.
patent: 6288833 (2001-09-01), Kasamatsu
patent: 6324326 (2001-11-01), Dejneka et al.
patent: 6738396 (2004-05-01), Filgas et al.
patent: 2003/0012534 (2003-01-01), Sumida et al.
patent: 2003/0138021 (2003-07-01), Hodgson et al.
patent: 2004/0076197 (2004-04-01), Clarkson et al.
patent: 2005/0008044 (2005-01-01), Fermann et al.
patent: 0 801 449 (1997-10-01), None
patent: 01/24325 (2001-04-01), None
Chai, B.H.T. “Optical Crystals,”CRC Handbook of Laser Science and Technology,Supplement 2: Optical Materials, M.H. Weber, ed. p. 34 (1995).
Levin, E. M. “Refractivities of the Rare Earth Oxides,”3rdRare Earth Conference,pp. 339-350 (Apr. 1963).
McClure, D.S. “Optical Spectra of Transition-Metal Ions in Corundum,”The Journal of Chemical Physics,vol. 36, No. 10 p. 2757, 1962.
Sumida, D., et al., “Diode-pumped Yb:YAG catches up with Nd:YAG,”Laser Focus World,4 pages (Jun. 1999).
Sumida, D., et al., “Spectroscopy and Diode-Pumped Lasing of Yb3+-Doped Lu3Al0O12(Yb:LuAG),”OSA Proceedings on Advanced Solid-State Lasers,vol. 24, B. Chai and S. Payne, eds., pp. 348-350 (1995).
Yumashev, K.V., et al., “Nonlinear absorption properties of CO2+ :MgAl2O4crystal,”Applied Physics B,vol. 70, pp. 179-184 (2000).

Affiliated with

Also associated with

Rating

Numerical aperture optimization using doped cladding layers does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Numerical aperture optimization using doped cladding layers, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Numerical aperture optimization using doped cladding layers will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3830090