Top Hat

Osela’s Top Hat Module efficiently transforms a freespace laser beam or laser beam from a fiber into a uniform slow varying profile with no high frequency noise.

SKU: Top Hat Category: Tag:

Description

Highlights at a glance:

  • Laser beam size adaptable up to ±20%
  • Compensates for input beam tolerances
  • Refractive, efficiency >97%
  • Achromatic
  • Free space or fiber coupled
  • Suitable for custom specifications
ITEM SPECIFICATION CONDITION
 Input beam size 0.5 to 4.0mm At 1/e2
 Input beam size adaptability ±20% From selected beam size
 Operating wavelength 250 to 1300nm AR coating needs to be considered
 Top Hat size constant (K) 0.001 to 0.6
 Cv Uniformity <1% for fiber version
<2% for free space
 TEM00 beam
 Contained energy >70% Over the region of interest
 Efficiency >95% <97% of diverging TH
 Glass material Fused silica Other material upon demand
 Imaging lens 14, 20 30, 40 60, 75, 80 or 100mm Other focal lengths upon demand