Newport FSM-300, User Manual

Page: 17 / 42

Typical Specifications 17
3. Typical Specifications
3.1 FSM System
FSM-300
Number of Axes 2 (tip-tilt)
Angular Range from ±10 V ± 26.2 mrad (± 1.5°), mechanical
(1)
Resolution ≤
1 µrad rms, mechanical
(1)
Repeatability ≤
3 µrad rms, mechanical
(1)
Accuracy From ±26.2 mrad,
20°C
(1,2)
≤
0.262 mrad (0.015°), mechanical
(1)
Linearity From ±26.2 mrad,
20°C
(1,2)
≤
1.0%
Closed-Loop Amplitude
Bandwidth
(2)
(-3 dB)
≥
800 Hz at 10 mV
Closed-Loop Phase
Bandwidth
(2)
(60° lag)
≥
400 Hz
Response Flatness
(2)
Peaking
≤
3 dB
Noise Equivalent Angle (1 Hz to
10 kHz)
≤
3 µrad rms
Resolution of Local Position
Sensor
≤
0.5 µrad
Quiescent Power at FSM
Assembly ≤
5 W at any angle ± 26.2 mrad
Operating Temperature Range
(2)
0 to 35°C (32 to 95°F)
Storage Temperature Range
-20 to 55
°
C (-4 to 131
°
F)
Warm-up Time for Mirror
Stability
(2)
at 20
°
C
≤
10 minutes
Mirror Thermal Drift(2)
≤
5 µrad/°C, mechanical(1)
Optical Axis Location 1.5 in. (38.1 mm) high, centered left-to-right
Mirror Head Weight with Base 15.3 oz (434 g)
Interconnect Cable Length 9.8 ft (3 m)