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ALPAO變形鏡

發布日期:2018-06-15

后三直选做号稳定技巧 www.kuuwzv.com.cn

APLAO DM

ALPAO變形鏡采用磁電驅動,面形高速連續可變。變形量大,線性度好,適用于快速精準波前控制領域。

主要特點:

  ● 全口徑波前最大變形量: 60?μm?PV,可修正大尺度波前畸變

  ● 相鄰驅動單元間波前型變量: 3?μm,可修正高空間頻率波前畸變

  ● 速度快: 設置時間可達?0.7?ms within ±5%.

  ● 線性度高: >97%

 規格指標:


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