Lambda SRS SR475, Operation Manual

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vi General Information
Specifications
Operation
General
Primary function Block
/
unblock laser beam
Controller
/
Driver type SR470 Series
Clear aperture 0.120” (3 mm) min. (SR475)
0.040” (1 mm) min. (SR476)
Lifetime 10
7
cycles min.
Shutter blade
Blade material BeCu alloy, black oxide finish
Optical power Low-power laser beams;
no absolute specification is established
Bearing type Sapphire jewel bearing
Blade position Servo controlled; neither open
nor closed is preferred
Power-o
ff
state Blade position is indeterminate
Hold time Indefinite in either open or closed state.
Mounting
Orientation Any
Mounting holes 8-32 (3), 1
/
4-20 (1)
Housing material Anodized aluminum
Performance
Open
/
close time 5 ms full-stop to full-stop, in full-speed mode;
User selectable to 10 ms, 20 ms, or 40 ms (SR475)
4 ms full-stop to full-stop, in full-speed mode;
User selectable to 8 ms, 16 ms, or 32 ms (SR476)
Maximum rate 100 Hz (SR475)
125 Hz (SR476)
(Limited by open
/
close time).
Laser beam Determined by beam size
/
quality and shutter mode.
rise
/
fall time 500
μ
s typ., in full-speed mode (SR475)
750
μ
s typ., in full-speed mode (SR476)
Insertion delay jitter 10
μ
s rms typ.
(Measured at 10 Hz rep rate in full-speed mode.)
Bounce None allowed, at opening or closing
SR475 and SR476 Laser Shutters