1.Lens is a truncated ball lens. 2.Ball diameter 8+/-0.3mm. 3.Lens can be modified from Edmund Optics no.NT45-546. 4.N-LaSF9

1.Lens is a truncated ball lens.

2.Ball diameter 8+/-0.3mm.

3.Lens can be modified from Edmund Optics no.NT45-546.

4.Material: N-LaSF9 glass.

5. Polish curved surface. Fine grind flat surfaces.

6. Protective chamfers: break sharp edges 0.1-0.2mm x45 degrees.

7. Polished surface quality: 40-20 scratch-dig.

8. Coat spherical surfaces with single layer of MGF2 to achieve maximum transmission at 405nm. Area where coating must be good is indicated by checked surface.

9. Indicated axis of coated areas with pencil mark arrow on one of the flat surfaces.

Drum Lens