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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 as microscopy，

retinal imaging， and laser beam shaping. The high speed， high

precision driver 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.

技術(shù)參數(shù)：

Stroke 1.5 μm 3.5 μm 5.5 μm

Aperture 3.3 mm 4.4 mm 4.95 mm

Pitch 300 μm 400 μm 450 μm

Approx. Mechanical <20 μs <100 <500

Response Time

(10%-90%)

Approx. Interactuator 25% 35% 40%

Coupling (+/- 5%)

SLM Coupling 0%

DM Selection Chart

Boston

主要特點：

High Order Aberration Correction

DM Specifications

- 140 actuators (12x12 array without 4 corners)

- Coating: Aluminum or Gold

- Protective Window with 400-1100nm or 1550nm

AR Coating

- Zero hysteresis

- Sub-nm average step size

- Fill Factor >99% (DM)， 98% (SLM)

- Surface Finish: <20nm rms

Driver Specifications

- USB 2.0 Interface

- 100-240V AC Input

- 14 bit step resolution

- Frame Rate: 8 kHz with 34 kHz burst

- Dimensions: 9" x 7" x 2.5"