LIQUID OPTICS FOR LASER HOLE DRILLING

Award Information
Agency:
Department of Defense
Branch
Air Force
Amount:
$48,400.00
Award Year:
1988
Program:
SBIR
Phase:
Phase I
Contract:
n/a
Award Id:
8793
Agency Tracking Number:
8793
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
1 Industrial Dr So/lan-rex Ind, Smithfield, RI, 02917
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
MARK D MELLO
(401) 231-4400
Business Contact:
() -
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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