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CEO
Tadas Lipinskas +370 5 219 4884
Flat top converter FTC
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Flat top converter FTC

Main features

 

  • Quick change between Gaussian and Flat-top beam
  • The beam profile remains Flat-Top shape along optical axis
  • Integrated controller
  • Designed according your laser specs
  • Clear aperture up to 15 mm
  • Quick switching time - 0.2 sec
  • High damage threshold up to 10J/cm2 (10 ns @ 1064 nm)
  • Conversion efficiency up to 70% (while on Flat-Top mode)

 

Application examples

 

  • Precise laser micromachining
  • Life sciences
  • Research
Request custom
  • Description
  • Specifications
  • Downloads

Flat top converter unit is all in one motorised solution for a Gaussian beam transformation to a Flat-Top (Top Hat) beam. Any focusing element is needed. The beam profile remains Flat-Top shape along optical axis. The device consist of quartz wave-plate, space-variant wave-plate and a high contrast polariser. The FTC is produced in the UV, visible and NIR spectral ranges, from 250 nm to 2000 nm.

All optical components of the FTC are made for high LIDT and provide stable and reliable performance even using them with high power lasers in industrial applications.

A secondary laser beam from Flat top converter unit can be rejected to an external beam dump. The beam dump is used for avoiding any thermal effects or stress in the housing of the FTC device.

Motorized laser power attenuator specifications
Dimensions (H x W x L) 105 x 53 x 62,5 mm FTC; <br>
105 x 70 x 62,5 mm FTC with beam dump (BD-6)
Clear input aperture ø15 mm (depends on waveplate)
Clear output aperture ø15 mm (depends on waveplate)
Conversion efficiency and Transmission Up to 70 % (Flat-Top beam mode)
No less than 97 % (Gaussian beam mode)
LIDT coating >10 [J/cm2] (10 ns @ 1064 nm)
Switching time 0,2 sec
Absolute pos. Encoder Yes, with 3,7 arcsec resolution
Flat-Top beam The beam profile remains Flat-Top shape along the optical axis
Available coatings

 

A. Standard wavelengths, nm B. Custom wavelengths
1st harm - 760-840; 1020-1040; 1064
2nd harm -  390-410; 510-520; 532
3rd harm - 343; 355
Custom coating available
Order your item
Aperture, mm Wavelenght, nm Adjustment Type Control interface Typical application SKU price Downloads quantity
⌀ 6 mm
1030 nm
Motorised
DOE
USB or RS232
Flat top converter
19750
Request
⌀ 6 mm
515 nm
Motorised
DOE
USB or RS232
Flat top converter
19751
Request
⌀ 3 mm
1030 nm
Motorised
DOE
USB or RS232
Flat top converter
19752
Request
⌀ 3 mm
515 nm
Motorised
DOE
USB or RS232
Flat top converter
19753
Request
⌀ 6 mm
1064 nm
Motorised
DOE
USB or RS232
Flat top converter
19754
Request
⌀ 3 mm
1064 nm
Motorised
DOE
USB or RS232
Flat top converter
19755
Request
⌀ 6 mm
532 nm
Motorised
DOE
USB or RS232
Flat top converter
19756
Request
⌀ 3 mm
532 nm
Motorised
DOE
USB or RS232
Flat top converter
19757
Request

OPTOGAMA