Fused silica lightweight blank

  This is a fused silica JGS2 lightweight blank with diameter of 736mm. The raw material weighs 100KG, after machining, the lightweight blank is about 44.5KG. The back structure is a little bit complicated which makes the good balance of the overall stiffness and the less weight of the whole mirror. MG-Optics can not only provide the customized manufacturing optical mirror blank according to drawings but also the designing for the lightweight structure. The maximum machine diameter is 1500mm.  Product Specification MATERIAL Fused silica JGS2 Test report OUTER DIAMETER F736mm +/- 1 mm CMM test report THICKNESS F126mm 0/+1 mm CMM test report CENTER HOLE F56 mm 0/+0.05 mm CMM test report EDGE HOLE F11 mm 0/+0.05 mm CMM test report MIRROR RADIUS R4177.5mm+/- 50 mm CMM test report TOP SIDE FINISHING D20 machined DMG Mori 125P   Material Description  JGS2 fused silica material has been one of the best choice…