From: Bruce Maccabee <brumac.nul> Date: Sun, 7 Jan 2007 23:08:30 -0500 Fwd Date: Mon, 08 Jan 2007 11:16:19 -0500 Subject: Re: Holes In The Cloud Deck - Maccabee >From: Martin Shough <parcellular.nul> >To: <ufoupdates.nul> >Date: Thu, 4 Jan 2007 16:13:15 -0000 >Subject: Re: Holes In The Cloud Deck> snip >A different angle, if we're looking at technology, is the >following patent for a cloud-punching laser device for military >surveillance. CO2 lasers of the type mentioned work in the >infrared: >http://www.freepatentsonline.com/4411487.html ----- >"A device for seeing through an aerosol cloud cover comprising a >high power laser source which produces a laser output that is >directed ... through said aerosol cloud cover to produce a hole >therein, and means... for viewing objects camouflaged by said >cloud cover. >2. A device as set forth in claim 1, wherein said high power >laser is a pulsed CO2 laser and the output from said laser having >a hole at its center with the laser output being projected on >said mirror and around said hole in said mirror. >3. A device as set forth in claim 1, wherein said viewing means >is a thermal imaging device of the infrared type. >4. A device as set forth in claims 2 or 3, wherein said laser >has an output of about 5,000 to about 10,000 joules per pulse." >I suppose in an O'Hare type situation a downward-directed maser >beam beneath an ascending object might keep a relatively >well-defined cloud hole open for some time after it had passed >though. The directionality and various possible pulse v. cw >characteristics of such a coherent emission would obviously make >a big difference to any calculation of power generated from pwer >density "on target". ----- I wouldn't want to be "in the beam" that could quickly evaporate a 30-40 (or larger?) foot diameter hole in a moderately thick cloud.
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