LIQUID OPTICS FOR LASER HOLE DRILLING

Award Information
Agency: Department of Defense
Branch: Air Force
Contract: N/A
Agency Tracking Number: 8793
Amount: $48,400.00
Phase: Phase I
Program: SBIR
Awards Year: 1988
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
Laser Fare Ltd Inc
1 Industrial Dr So/lan-rex Ind, Smithfield, RI, 02917
DUNS: N/A
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 MARK D MELLO
 (401) 231-4400
Business Contact
Phone: () -
Research Institution
N/A
Abstract
WE PROPOSE A NEW LASER MACHINING TECHNIQUE USING NONLINEAR SELFFOCUSING MEDIA SUCH AS CARBON DISULFIDE AND NITROBENZENE. THE TECHNIQUE USES THE CATASTROPIC SELF-FOCUSING SOLUTIONS TO THE NONLINEAR WAVE EQUATION TO PRODUCE INTENSE NON-DIFFRACTING OPTICAL FILAMENTS IDEALLY SUITED FOR PRODUCING SMALL HOLES. THE "LIQUID OPTICS" OFFERS SEVERAL ADVANTAGES OVER CONVENTIONAL OPTICAL FOCUSING: 1) CONSIDERABLY SMALLER HOLES (10-50 MICRONS IN DIAMETER), 2) ELIMINATION OF CONICAL HOLES, 3) A SELF-ADJUSTING OPTICAL SYSTEMS THAT EFFECTIVELY PLACES A LENSE INSIDE THE EVOLVING HOLE, 4) CONFINEMENT OF DRILLING FRAGMENTS, AND 4) LOW COST. WE PROPOSE TO DEMONSTRATE THIS METHOD AT ND:YAG AND RUBY LASER WAVELENGTHS WITH A VARIETY OF METALS AND CERAMICS INCLUDING THE NEWLY DISCOVERED HIGH T(C) SUPERCONDUCTORS. IN ADDITION, A COMPLETE NUMERICAL MODEL INCLUDING NONLINEAR BEAM PROPAGATION AS WELL AS HEAT AND MASS TRANSFER FROM THE HOLE AREA WILL BE UNDERTAKEN ON A CYBER SUPERCOMPUTER AT THE JVNC AT PRINCETON UNIVERSITY.

* information listed above is at the time of submission.

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