1.1 Introduction to the Instrument
1 – 5
Figure 1.2: Blade trajectory for the SR475 Laser Shutter (top) and
SR476 Laser Shutter (bottom). Curve (a) illustrates the position of
the SR475 blade as it moves from the closed to the open position, and
curve (b) illustrates the closing trajectory. Curve (c) illustrates the
position of the SR476 blade as it moves from the closed to the open
position, and curve (d) illustrates the closing trajectory.
SR475 and SR476 Laser Shutters
