Low Energy	Extra Small Aperture	Small Aperture	Mid Aperture	Large Aperture	Xtreme Energies Large Beams
	XLE4	QE4	QE12 ---- IMPROVED !	QE25	QE50	Calorimeters
Size	4 mm	3.8 mm	12 mm	25 mm	50 mm	Custom
Spectral Range	0.35 - 2.5 µm	0.19 - 20 µm	0.19 - 20 µm	0.19 - 20 µm	0.19 - 20 µm	Variable
Energy Range (1)	30 nJ - 4 mJ	1 µJ - 27 mJ	0.7 µJ - 3.4 J	2 µJ - 20 J	10 µJ - 75 J	Up to 5000 J
Max Pulse Widths	5 µs	10 - 100 µs	10 µs - 4 ms (2)	10 µs - 7 ms (2)	10 µs - 7 ms (3)	Custom
Max. Rep. Rate (Hz)	2000	1200 - 6000	300 (3) - 6000	300 (4) - 6000	200 (4) - 4000	Single shots
Technical Specifications
Effective Aperture (mm)	4 Ø	3.8 Ø	12 x 12	25 x 25	50 x 50	Up to 420 x 427
Rise Time (0-100%)	10 µs	20 - 200 µs	20 - 550 µs	20 - 550 µs	20 - 900 µs	Variable
Sensitivity (V/J)	1100	150 - 200	60 - 100	10 - 20	3 - 4	Variable
Calibration Uncertainly	± 4%	± 3%	± 3%	± 3%	± 3%	± 5%
Damage Thresholds (5)
Max. Energy Density (1064 nm)	0.09 J/cm2	0.15 - 0.25 J/cm2	1 - 7 J/cm2	1 - 7 J/cm 2	1 - 7 J/cm2	Variable
Max. Energy Density (266 nm)	N/A	6 - 50 mJ/cm2	0.2 - 1 J/cm2	0.2 - 1 J/cm2	0.2 - 1 J/cm2	Variable
Max. Avg. Power	0.4 W	0.3 W	12.5 W	30 W	45 W	N/A
Available Modules
Stand Alone
Heatsink
Absorber Types
Black
Broadband
Metallic (High Rep. Rates)
High Energy (UV)
Glass
Options
Attenuators/Diffusers
QE-X Amplifier
Extra Long Pulse capabilities

* : All values are for an entire family and not a specific product.  See the specification sheets for the values of individual detectors.
⁽¹⁾ : From Noise Equivalent Energy (NEE) to maximum measurable energy with QEA attenuator (when applicable).
⁽²⁾ : On special request only.  Standard pulse widths are 10 µs, 150 µs and 400 µs.
⁽³⁾ : On special request only.  Standard pulse widths are 10 µs, 225 µs and 675 µs.
⁽⁴⁾ : This value is dependant of the maximum pulse width chosen and can be lower than specified in this table.
⁽⁵⁾ : With QEA or QEAS attenuator when applicable.