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Article #3349

Re: Cheap laser possible?

#3349
From: Patrick Taylor
Date: Fri, 25 Sep 1992 20:29
27 lines
1971 bytes
In article <1992Sep25.122819.29025@alf.uib.no> sigurd@novaja.NoSubdomain.NoDomain (Sigurd Tjelmeland) writes:
>From: sigurd@novaja.NoSubdomain.NoDomain (Sigurd Tjelmeland)
>Subject: Cheap laser possible?
>Date: Fri, 25 Sep 92 12:28:19 GMT

>I have understood that one of the most expensive parts
>of a laser is the mirror that lets just a little light
>through. What would happen if one substituted this
>with a fully reflecting mirror with some small holes
>drilled in it. Of course this would set up some
>interference pattern on the beam, but would a laser
>beam be produced this way?

>Just curious,

>Sigurd 
>e-mail: sigurd@imr.no

If I understand my physics this is what you have with a semi-silvered
mirror anyway.  You can't split the photons in half.
 ----------------------------------------------------------------------------
    "This must be Thursday.  I never could get the hang of Thursdays"
                                                       - Douglas Adams
  - Patrick Taylor                                       (Arthur Dent)
    Ericsson Network Systems
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From: exuptr@exu.ericsson.se (Patrick Taylor)
Newsgroups: sci.physics
Subject: Re: Cheap laser possible?
Message-ID: <exuptr.687.717452982@exu.ericsson.se>
Date: 25 Sep 92 20:29:42 GMT
References: <1992Sep25.122819.29025@alf.uib.no>
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