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Well I may play with huge lasers for a job but the smaller diode based items can often leave me wondering about things. I'm looking to get a nice clear line or cross hair output from a smaller Axiz type unit (or something around that size) I'm looking for some advice on what modules to use or...

A great reference resource for calculations and general lensing info. II-VI Lens Tutorials Maybe not so applicable to pointing devices but 100 watt pointers aren't a good idea anyhows :) best wishes Dave

Apologies if this is the wrong section , I have a few odd laser bits and pieces I have no use for all brand new and purchased for a job I never had to do in the end. Mostly red and green diodes/sinks/drivers/units with focussing lens's with tails and a few generic Chinese hosts.(and prebuilt...

Ordered this from II-VI InfraRed by mistake :( Cost £126,70 + VAT + Duty last week GaAs 18mm Diameter 50.8 (2 inch) Focal Length 2mm Thickness Meniscus Format AR Coated Both Sides, passes from 800 to 1090 wavelength. Suited to IR lasers from 10Mw up to 1,000 Watts. One of the highest...

Just a quick note for anybody not familiar with the use of Sodium Hydroxide to strip anodise.(My apologies to those that use this stuff frequently) Sodium Hydroxide aka Caustic Soda, causes an exothermic reaction when mixed with water, a few don't do's. DON'T pour water into the Hydroxide...

Just noticed the bit about introductions so please forgive me for not posting before :) Well my names David (Dave, Oi, etc also works) I'm 47 (going on 18) and am the boss bloke of a laser cutting company, Laserwise I have diodes that are used for alignment on the bigger machines but on the...