DOL

FOCUSATORS
 The diffractive optical elements (DOEs) that concentrate the light beam power into a focal domain
of desired shape and intensity distribution.

Focusing into a straight-line segment:



mask


Focal intensity distribution

Laser beam interaction with paper, wood, fabric and rubber.


fabric

rubber

wood

paper

Energy efficiency = 90%
Focal contour width = 410mm

Publication:
1. O1. Optics and Laser in Engineering, 1991, v.15, ¹5, pp.297-309.
2. Optcs and spectroscopy, 1989, v.67, ¹6,ñ.1387-1389.
3. Optik, 1994, v.96, ¹4, pp.158-162.
4. Applied Optics, 1995, v.34, ¹14, pp.2489-2497.
5. Optics and Laser Technology, 1995, v.27, ¹4, pp.207-213. 4.

DOL