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Just thought I would show you a video of one of the lasers I get to work with at the Australian National University. It's a Titanium:Sapphire laser pumping out a thousand 120 femtosecond pulses of 800 nm light a second. Each pulse contains about 500 uJ of energy, giving a peak power of about 5...

Blackbody Radiation The Sun and our position relative to it is quite possibly the single most important asset the human race has, and ever will, have. It provides a source of gravity that lockes our planet in the 'goldilocks zone' and provides energy, that in the goldilocks zone, is perfect to...

Well, I am writing up a little experiment involving audio modulation onto a laser beam and to do so I need to replace my laser (died when my variable resistor died). It might sound complex, but with a trip to Jaycar (Australia's Radioshack) you should be able to spend about $10 and have all the...

A direct copy from lasercommunity: I am a 22 year student from Melbourne Australia currently in my final year of my BSc(Photonics) degree. For those not upto date with the term, which is probably few of you, that is the study of light. In particular, the use of light to manipulate information...