I didn't know about being able to get quartz cored fibre, where can I find out a bit on them? are there any other types of crystal core? Cheers JJ ----- Original Message ----- From: "Kyrre Aalerud" To: Sent: Wednesday, February 05, 2003 12:50 AM Subject: Re: [ot]: laser question > They can and do use fiberoptics to direct/relay laser. > In the medical industry they use it a lot. > You can't aim a 200kg laser by hand when trying to cut something inside the > chest of a person. They even claim that the fibre-based one is a bit too > bulky for the surgeons. > > Remember, there are optical fibres that have quarts cores... > > KreAture > > > ----- Original Message ----- > From: "Spehro Pefhany" > To: > Sent: Tuesday, February 04, 2003 3:26 PM > Subject: Re: [ot]: laser question > > > > At 09:23 AM 2/4/2003 -0500, you wrote: > > >I recall a science center demonstration had a huge laser that would > > >cause wood to burst into flame. They said they had to use Quartz > > >optics, as glass would melt under the laser. > > > > Or explode. > > > > >I imagine that the effect the fiberoptics has on the laser, and the > > >laser on the fibers, would be directly related to the material the fiber > > >is made of and the wavelength/power of the laser. > > > > You can get fiber optics that handles IR, at least up to many watts, > > which is enough to burn wood. > > > > >This is an area that has likely been researched quite a bit for > > >industrial purposes - powerful lasers are not small, and if you can move > > >the laser via fiber then the machinery has a lot less work to do. > > > > CO2 lasers are used for various cutting purpose. We sometimes get metal > > parts cut by laser, but I'm not sure whether they move the laser or the > > optics. > > > > Best regards, > > > > Spehro Pefhany --"it's the network..." "The Journey is the > reward" > > speff@interlog.com Info for manufacturers: > http://www.trexon.com > > Embedded software/hardware/analog Info for designers: > http://www.speff.com > > > > -- > > http://www.piclist.com#nomail Going offline? Don't AutoReply us! > > email listserv@mitvma.mit.edu with SET PICList DIGEST in the body > > > > -- > http://www.piclist.com#nomail Going offline? Don't AutoReply us! > email listserv@mitvma.mit.edu with SET PICList DIGEST in the body > -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body