I don't know if this has ever been posted, but Melles Griot has some extremely good public resources available. There's an incredible wealth of knowledge here:
Optics: http://www.cvimellesgriot.com/Compan...uperGroupid=27
Lasers: http://www.cvimellesgriot.com/Compan...SuperGroupid=1
Opto-mechanical devices: http://www.cvimellesgriot.com/Compan...uperGroupid=26
This is one of the most generally informative articles in the above links:
http://www.cvimellesgriot.com/produc...eam_Optics.pdf
All for free, from one of the worlds most respected laser authorities. Can't beat that..