Alpao變形鏡型號參數(shù)
更新更新時間:2017-05-10 點擊次數(shù):2717
Alpao變形鏡是一款使用電磁驅(qū)動器的高速、高線性度和大波前調(diào)制量的連續(xù)反射面變形鏡,小巧緊湊的結(jié)構(gòu)設計配合Alpao優(yōu)異的自適應系統(tǒng)控制算法,能夠很好地滿足快速、準確的波前校正需求。
核心特點:
l 可修正低級次大相差
l 可修正次相差
l 高達80μm PtV大波前調(diào)制量(>120μm可選)
l 相鄰驅(qū)動器調(diào)制量>5μm PtV
l 高分辨率波前畸變校正
l 500μs快速響應
l 優(yōu)于97%的高線性度
l 優(yōu)于±1%的高穩(wěn)定性
l 高品質(zhì)鍍膜
l ±1V低電壓驅(qū)動電路
l 平均功耗<10W
l 體積小巧,安裝方便
型號及參數(shù):
Model | DM69 | DM88 | DM97-08 | DM97-15 | DM241 | DM277 | DM468 | DM820 |
Number of actuators | 69 | 88 | 97 | 97 | 241 | 277 | 468 | 820 |
Pupil diameter | 10.5 mm | 20.0 mm | 7.2 mm | 13.5 mm | 37.5 mm | 24.5 mm | 33.0 mm | 45.0 mm |
Pitch | 1.5 mm | 2.5 mm | 0.8 mm | 1.5 mm | 2.5 mm | 1.5 mm |
Maximum mirror best flat in close loop | 7.0 nm RMS (no print through effects) |
Minimum tip/tilt stroke (PV, wavefront) | 60 μm | 40 μm | 80 μm | 60 μm | 40 μm | 15 μm |
Minimum focus/astig. stroke (PV, wavefront) | 40 μm | 30 μm | 40 μm | 40 μm | 30 μm | 10 μm |
Minimum 3x3 stroke (PV, wavefront) | > 25 μm | > 10 μm |
Maximum settling time (at +/-1 0%) | 800 µs | 1.6 ms | 800 µs | 1.6 ms | 500 µs |
Minimum bandwidth* | > 750 Hz | > 400 Hz | > 750 Hz | > 400 Hz | > 2 000 Hz |
Minimum frequency at phase lag of 45° | > 500 Hz | > 300 Hz | > 500 Hz | > 300 Hz | > 1 500 Hz |
Hysteresis error | <2% |
Nonlinearity error | <3% |
Coating* | 銀膜R>96.5%@0.5μm~2μm |
Operating temperature | -10 to 35°C |
備注*:帶寬及反射膜均可根據(jù)客戶實際需求定制。