Description
20X Zoom Beam Expander 1 12m Working Distance The effective working distance ranges from 1m to 12m varying with the pump source power K9 Glass with Ultra Broadband Coating Lens substrate K9 optical glass Coating Double sided 12 12 layers ultra broadband coating Deposition RF ion source assisted coating throughout High Transmittance 530nm 1100nm Covers green laser 530nm to red infrared 1100nm Transmittance reaches 99 percent and above for both green and red lasers delivering near zero loss performance Comparison with Ordinary IR Coating Ordinary yellow to IR coating about 80 percent transmittance for green laser about 83 percent transmittance for red laser Our ultra broadband coating over 99 percent for both Industry First Ultra Broadband Coating Technology This is the first beam expander in the industry adopting ultra broadband coating far superior to conventional coatings Retractable Anti Drop Detachable Low Heat 20X zoom retractable design Anti drop structure Fully detachable Low heat generation Suitable for ultra broadband lasers Ideal for Various Pump Sources Works with green red and infrared laser pump sources across the 530 1100nm range
