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Unlike conventional designs, the SR475 Shutter Head can be mounted on your optical table in any orientation.
This gives you complete flexibility to route the mating cable out of the way of your experiment.
The 3 mm aperture is positioned very close to the chassis edge, making the SR475 ideal for chopping one of two parallel beams separated by less than a centimeter.
It also allows you to operate your lasers very close to the plane of your optical table top.
The SR475's small size makes it ideal in tight quarters, and with a precision guided blade, shutter vibration is essentially eliminated.
Mechanical
Shutter blade: BeCu alloy, black oxide finish
Clear aperture: 0.120 in. min. diameter
Exposure rise/fall time: <500 µs typ., 950 µs max.
Insertion delay jitter: 10 µs rms typ. (measured at 10 Hz rep rate)
Bearing: Sapphire jewel bearing
Blade position: Closed-loop PID controlled
Opening/closing bounce: None allowed
Operating temperature: 0 °C to 35 °C
Mounting: Any orientation
General
Max. cable length 3 m
Weight: 1 lbs.
Dimensions: 2.25" × 1.60 " × 1.00" (WHL)
Power: 4.5 VDC @ 250 mA, 12 VDC @ 1.25 A
Warranty: One year parts and labor on defects in materials and workmanship, or 10 M cycles, whichever comes first.
