Specifications
Beam Cube User Guide
7 Specifications
Power measurement
Max and min average power
1W to 100W continuous and to 150W for up to 1 min
Maximum average power density
a, c
4KW/cm² at entrance window
Max and min energy
20mJ
b
to 100Joules
pulse
width
max energy density
10ms 20J/cm²
2ms 5J/cm²
Maximum energy density
and repetition rate at
entrance window vs. pulse
width
0.5ms 1.5J/cm²
Cooling System
Conduction cooled
Dimensions
22cm L x 16cm W x 14cm H
Spectral Range
400 – 1100nm (calibrated for 1064nm)
Beam profiler unit
Camera
Standard Beam Cube: SP503U 640x480 pixel camera with 9.9µm
spacing
Beam Cube 620: SP620U 1600x1200 pixel camera with 4.4µm
spacing
PC interface
USB2
Shutter speeds
Continuously variable 1/frame rate to 1/6,000, manual or automatic
Gain control
0dB to 27dB in ~700 steps (each step is ~0.035dB). Manual or
automatic control.
Frame rate at 640x480 pixel ROI
Std Beam Cube: 50Hz. Auto synch with laser
Beam Cube 620: 20Hz. Auto synch with laser
Software features
Automatic gain and shutter control. Peak and Centroid position
tracking. 2D and 3D contour map. Sophisticated noise and
background control. Best fit to gaussian or top hat profile 3D displa
viewable from any angle or elevation. Store and recall screens in
single or video fashion. 3 different measures of beam width, %of
peak, 4 sigma and 90/10 knife edge. Save numerical data files of
profiles. Log data with time. Full on line instructions and help. Fully
flexible screen format.
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Minimum PC system requirements
Pentium-4 2GHz, 256 MB Memory, Operating system, Windows XP
Service Pack 2 or Vista 32.
Intensity adjustment
Continuously variable filters actuated from outside the unit.
System optical performance
Field of view
±6
°
Maximum beam size
φ
22mm at entrance for converging beam,
φ
7mm for collimated
beams
Beam reduction or expansion
Expanded 2-3X. With no lens 1X
Resolution
~5µm
Power / energy / temporal profile unit
Temporal pulse shape response time
into oscilloscope
<5
µ
s resp. time. Maximum peak power 1000W.
Software functions with USB Interface
connected to PC or laptop
average power, statistics
Data logging
Can send unlimited number of points in real time to PC via USB
Interface at >1000 point/s. Windows software provided for data
analysis.
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