Within a height of less than 1mm, electroactive polymers are used to bring a polymer diffuser into resonant oscillation with e.g. 400µm travel at several 100 Hz. This electrostatic principle is very power-efficient, completely silent and free of vibrations, an ideal choice for hand-held devices.

 
  • Ultra compact
  • No noise
  • No vibration
  • Low power
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The following table summarizes the main specifications of currently available laser speckle reducers:

 
LSR-3005
 LSR-3010
LSR-5-17
 LSR-10-22
Specifications  LSR-3005 LSR-3010   LSR-5-17 LSR-10-22

Product description

Scientific standard Scientific standard OEM standard OEM standard

Size (Ø or L x H)

 41mm x 8.8mm

 48mm x 8.8mm

 17mm x 3.8mm

22mm x 3.8mm 

Clear aperture

5mm

10mm

 5mm

 10mm

Oscillation frequency

300Hz

180Hz

300Hz

 180Hz

Oscillation amplitude

300um

400um

300um

400um 
Electronics Integrated, CE certified Integrated, CE certified Optional, not certified Optional, not certified
Recommended
documentation
 Datasheet Datasheet Datasheet Datasheet

 

Applications

Optotune's laser speckle reducer is the ideal choice for application in:

   
  • Laser projection displays from cinema to pico        
  • Head-up displays
  • Beam homogenizer
  • Metrology
  • Microscopy
  • Interferometry
  • Lithography

 

Results 

The following figure shows typical images of the speckle contrast measured on a reference setup with and without LSR. The colored lines show the cut planes that correspond to the intensity plot.

 
Laser speckle reduction with intensitiy profiles  

 

Videos

L1 LSR at PW 2012

The benefits of the Laser Speckle Reducer explained at Photonics West 2012

Download video

L2 LSR Demo

Speckle reduction effect demonstrated with a red laser (650nm, 5mm beam diameter)

Download video