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Which light source should i'll be using?

So if want to collimate a led shoud i buy 532nm lens?

I get that ,one question guys does the wavelength of light affects the collimation ? Cause i found a site saying Lens for 532 nm what if use higher or lower wavelength light?

Just to learn about collimation of light

Which lens should i buy for normal collimation of light ? Will biconvex aspherical lens do it ?

Just have flash tubes and nothing else thought I could have use them somewhere

i am not looking towards the circuit firstly i want do some maths and calculations then moving foward.appreciate all your help

There you go Flash tube- Operating DC voltage = 850 V - 2,250 V Max. ave. power in open air 450 W Discharge dimensions: 10 mm dia. x 165 mm length 1000 microsecond pulse duration 800nm YAG crystal- 0.1% doping range HR-Coating: R > 99.8%@1064nm and R <5%@808nm Laser Wavelength 1064nm

I use this as pump http://m.ebay.com/itm/322574262544 x2 I have normal laser mirror .basically I want to know the output power and first time with solid state laser

Want to make a Nd YAG laser I got this rod Nd:YAG crystals, Nd:YAG laser crystals, Nd:YAG rods, Nd:YAG crystal rod, Nd: YAG laser rod, Nd:YAG laser rod price, Nd:YAG crystal price, Nd:YAG crystal buy, Nd:YAG crystals for solid-state lasers, laser rods So my question is how much power is...