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ALPAO变形镜

发布日期:2018-06-15

APLAO DM

ALPAO变形镜采用磁电驱动,面形高速连续可变。变形量大,线性度好,适用于快速精准波前控制领域。

主要特点:

  ● 全口径波前最大变形量: 60μmPV,可修正大尺度波前畸变

  ● 相邻驱动单元间波前型变量: 3μm,可修正高空间频率波前畸变

  ● 速度快: 设置时间可达0.7ms within ±5%.

  ● 线性度高: >97%

 规格指标:


DM69

DM88

DM97-08

DM97-15

DM241

DM277

DM468

DM820

Number of actuators

69

88

97

97

241

277

468

820

Pupil diameter (mm)

10.5

20.0

7.2

13.5

37.5

24.5

33.0

45.0

Pitch (mm)

1.5

2.5

0.8

1.5

2.5

1.5

1.5

1.5

Mirror best flat (RMS)(1)

7.0 nm

Wavefront tip/tilt stroke (μm PV)

60

35

80

60

25

15

15

15

Wavefront inter-actuator stroke

> 3.0 μm PV

Wavefront 3×3 stroke (μm PV)

> 25

> 15

> 25

> 25

> 25

> 10

> 10

> 10

Setting time (ms @±5%)

1.0

2.0

2.0

1.0

2.0

0.7

0.7

0.7

Bandwidth (Hz)(2)

> 750

> 400

> 400

> 750

> 400

> 2000

> 2000

> 2000

Typical AO loop frame rate (kHz)

<7.5

<4.0

<4.0

<7.5

<4.0

<10.0

<10.0

<10.0

Hysteresis error

< 1%

Non-linearity error

< 3%

Coating(3)

Protected Silver

Operating temperature(4)

10~35°C