Astral Calorimeters, 16mm & 50mm

Astral Series detectors are available in either surface or volume absorbing models with apertures of custom sizes or standard aperture models. The surface absorbing models are ideal for measuring CW lasers while the volume absorbing models are designed for pulsed lasers using either the watts mode or single pulse energy mode. Astral Series calorimeters from Scientech store all calibration data with the detector.

The 16 and 50mm aperture models are grouped together because they all support 30W power levels. These calorimeters require an Astral Power Meter. 

Astral Series Calorimeters Specifications, 16 & 50 mm Apertures
Model AC5000S AC50FXS ACX50FXS AC5001S ACX5001S AC50UVS AC5004S
Detector Calibration Data stored in detector stored in detector stored in detector stored in detector stored in detector stored in detector stored in detector
Type Absorber Surface Surface Surface Volume Volume Volume Volume
Aperture Diameter 50.8 mm 50.8 mm 16 mm 50.8 mm 16 mm 50.8 mm 50.8 mm
Spectral Response 250nm - 35µm 193nm - 26µm 400nm - 2µm 266nm - 1.2µm 400nm - 1.2 µm 193nm - 360nm 850nm - 4.2µm
Average Power Maximum 30 W 30 W 30 W 30 W 30 W 30 W 30 W
Average Power Minimum 40 mW 40 mW 40 mW 40 mW 40 mW 40 mW 40 mW
Maximum Power Density 200 W/cm² 6 kW/cm² 48 kW/cm²

30W/cm2 @ 1064nm

23W/cm2 @ 532nm

8.5W/cm2 @ 355nm

175mW/cm2 @266nm

240W/cm2@ 1064nm

184W/cm2 @ 532nm

50W/cm2 @ 355nm 35W/cm2@1064nm
Maximum Peak Power Density 1 MW/cm² 70MW/cm² @ 1064nm 560MW/cm2 @ 1064nm pulse

100GW/cm2 @1064nm

78GW/cm2 @ 532nm

29GW/cm2 @ 355nm

580MW/cm2 @266nm

8.5 GW/cm²

Repetitive pulses:  101MW/cm2 @355nm

Single pulse:     3.5GW/cm2 @355nm

125GW/cm2 @ 1064nm
Maximum Single Pulse Energy 30 J 30 J 30 J 30 J 30 J 30 J 30 J

Max Energy Density, J/cm2 =

Repetitive Pulses:

(pulse width in sec)

1,000 x (pulse width)1/2

to max of 200J/cm2

4,950 x (pulse width)1/2

to max of 12.3J/cm2

39,600 x (pulse width)1/2

to max of 36.9J/cm2

4.1J/cm2@1064nm

3.2J/cm2@532nm

1.2J/cm2@355nm

24mJ/cm2@266nm

33J/cm2@1064nm

26J/cm2@532nm

1.1J/cm2 @ 355nm 4.8J/cm2 @ 1064nm 

Max Energy Density, J/cm2 =

Single Pulse:

(pulse width in sec)

1,000 x (pulse width)1/2

to max of 200J/cm2

4,950 x (pulse width)1/2

to max of 12.3J/cm2

39,600x (pulse width)1/2

to max of 36.9J/cm2

8J/cm2@1064nm

6.2J/cm2@532nm

2.3J/cm2@355nm

46mJ/cm2@266nm

64J/cm2@1064nm

50J/cm2@532nm

40J/cm2 @ 355nm 10J/cm2 @ 1064nm
Response Time 3 sec 3 sec 3 sec 3 sec 3 sec 3 sec 3 sec
Dimensions D x L, cm 12.07 x 5.8 12.07 x 5.8 12.07 x 9.96 12.07 x 5.8 12.07 x 9.96 12.07 x 5.8 12.07 x 5.8
Compatible Meters AI310, AI310D,     AI310D-USBL AI310, AI310D,     AI310D-USBL AI310, AI310D,     AI310D-USBL AI310, AI310D,     AI310D-USBL AI310, AI310D,     AI310D-USBL AI310, AI310D,     AI310D-USBL AI310, AI310D,     AI310D-USBL
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