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The Multi-DM: A versatile, robust deformable mirror system for advanced wavefront control

The popular and versatile Multi-DM offers sophisticated aberration compensation in an easy-to-use package. With 140 precisely controlled elements and low inter-actuator coupling, this system is ideal for a broad range of applications including microscopy, retinal imaging, and laser beam shaping. The high speed, high precision drive electronics are easily controlled via USB interface. The DM is available in both continuous and segmented surfaces for adaptive optics or spatial light modulator applications. The DMs are capable of up to 5.5 μm stroke, 20 kHz frame rate*, have sub-nm step size, and zero hysteresis.

* 1.5 μm DM and SLM capable of 20 kHz.

Multi

  
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DM Selection Chart
  Multi- 1.5 Multi- 3.5 Multi- 5.5 Multi- SLM
Stroke 1.5 µm 3.5 µm 5.5 µm 1.5 µm
Aperture 3.3 mm 4.4 mm 4.95 mm 3.3 mm
Pitch 300 µm 400 µm 450 µm 300 µm
Mechanical Response
(10%-90%)		 <60 μs <100 μs <500 μs <40 μs
Approx. Interactuator Coupling 15% 13% 22% 0%
     

DM Specifications

  

High Order Aberration Correction
  • 140 actuators (12×12 array without 4 corners)*
  • Coating: Aluminum or Gold
  • Protective window with 350-700nm, 650-1050 nm or 1050-1620 nm AR coating†
  • Zero hystereses
  • Sub-nm average step size
  • Fill Factor >99% (DM), 98% (SLM)
  • Surface Finish: <20 nm RMS

* Custom actuator counts available upon request
†Custom AR coatings available upon request

Multi Driver

Driver Specifications

  • USB 2.0 Interface
  • 120–240 VAC Input
  • 14 bit step resolution
  • Frame Rate: 8 kHz with 34 kHz burst
  • Dimensions: 9 " × 7 " × 2.5"

High speed drive electronics available
Click here for more information

  

Aberration Correction
Measured Zernikes - 140 actuators with low interactuator coupling creates high order Zernike modes.

Software Specifications

  • Windows XP/7, Linux OS Compatible
  • Basic Operation software included
  • C/C++, Matlab and Labview drivers included
  • Linux drivers available
  • Labview Beta Software available
 
 
 

 
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