Laser Energy Detectors - Light Test & Measurement Instruments - Catalog - Opto-Mechanical Products

11QE95 - Laser Energy Detectors


		Modular Concept Increase the power capability of your detector with 2 different cooling modules
		Low Noise Level 15 µJ for the MT coating
		QED Attenuator Available Measure up to 5X higher energies. Available with optional calibration, all wavelengths between 532 & 1064 nm, or single wavelength
		Large Aperture Effective aperture of 95 mm Ø
		Test Target Included With the MB models
		Smart Interface Containing all the calibration data

11QE95 laser energy detectors can measure energy up to 250 J (with attenuator). Low noise level - just 15 µJ. Large effective aperture - 95 mm square. These detectors are convenient to use and can measure relatively wide beams. They are suitable for many OEM, manufacturing and laboratory applications.

Specifications

Detector	11QE95LP-S-MB		11QE95LP-H-MB		11QE95ELP-S-MB		11QE95ELP-H-MB
MAX MEASURABLE ENERGY (WITH ATTENUATOR)	250 J		250 J		250 J		250 J
MAX REPETITION FREQUENCY	40 Hz		40 Hz		10 Hz		10 Hz
EFFECTIVE APERTURE	95 mm Ø		95 mm Ø		95 mm Ø		95 mm Ø
MEASUREMENT CAPABILITY
Spectral Range ^*a	0.19 – 20 µm		0.19 – 20 µm		0.19 – 20 µm		0.19 – 20 µm
Maximum Measurable Energy ^b,c	Alone	Attenuator	Alone	Attenuator	Alone	Attenuator	Alone	Attenuator
1064 nm, 150 ns pulse, single shot ^d	70 J	250 J	70 J	250 J	70 J	250 J	70 J	250 J
1064 nm, 7 ns, 10 Hz	35 J	150 J	35 J	150 J	35 J	150 J	35 J	150 J
266 nm, 7 ns, 10 Hz	30 J	50 J	30 J	50 J	30 J	50 J	30 J	50 J
Noise Equivalent Energy ^e	15 µJ		15 µJ		30 µJ		30 µJ
Sensitivity ^f,g	2 V/J		2 V/J		0.6 V/J		0.6 V/J
Max Repetition Frequency	40 Hz		40 Hz		10 Hz		10 Hz
Rise Time (typical 0-100 %)	1.5 ms		1.5 ms		5 ms		5 ms
Maximum Pulse Width (typical)	2 ms		2 ms		6 ms		6 ms
Calibration Uncertainty ^h	±3 %		±3 %		±3 %		±3 %
Repeatability	<0.5 %		<0.5 %		<0.5 %		<0.5 %
DAMAGE THRESHOLDS
Maximum Average Power	Alone	Attenuator	Alone	Attenuator	Alone	Attenuator	Alone	Attenuator
All Wavelengths	20 W	45 W	40 W	90 W	20 W	45 W	40 W	90 W
Maximum Energy Density	Alone	Attenuator	Alone	Attenuator	Alone	Attenuator	Alone	Attenuator
1064 nm, 150 µs, 10 Hz	1.2 J/cm²	14 J/cm²	1.2 J/cm²	14 J/cm²	1.2 J/cm²	14 J/cm²	1.2 J/cm²	14 J/cm²
1064 nm, 7 ns, single shot	0.6 J/cm²	16 J/cm²	0.6 J/cm²	16 J/cm²	0.6 J/cm²	16 J/cm²	0.6 J/cm²	16 J/cm²
1064 nm, 7 ns, 10 Hz	0.6 J/cm²	8 J/cm²	0.6 J/cm²	8 J/cm²	0.6 J/cm²	8 J/cm²	0.6 J/cm²	8 J/cm²
532 nm, 7 ns, 10 Hz	0.6 J/cm²	6 J/cm²	0.6 J/cm²	6 J/cm²	0.6 J/cm²	6 J/cm²	0.6 J/cm²	6 J/cm²
266 nm, 7 ns, 10 Hz	0.5 J/cm²	1 J/cm²	0.5 J/cm²	1 J/cm²	0.5 J/cm²	1 J/cm²	0.5 J/cm²	1 J/cm²
Maximum Average Power Density	10 W/cm²	600 W/cm²	10 W/cm² ⁱ	600 W/cm²	10 W/cm²	600 W/cm²	10 W/cm² ⁱ	600 W/cm²
PHYSICAL CHARACTERISTICS
Effective Aperture (with Attenuator)	95 mm Ø(90 mm Ø)
Absorber	Multi-Band		Multi-Band		Multi-Band		Multi-Band
Dimensions	122H x 122W x 20D mm		122H x 122W x 98D mm		122H x 122W x 20D mm		122H x 122W x 98D mm
Weight	0.78 kg		1.2 kg		0.78 kg		1.2 kg

Specifications are subject to change without notice

* For the calibrated spectral range, see the user manual.
a. 0.308 - 2.1 µm with QED Attenuator.
b. Not exceeding Maximum Average Power.
c. Maximum measurable energy depends on the monitor.
d. Increasing pulse width increases the maximum measurable energy.
e. Nominal value, actual value depends on electrical noise in the measurement system.
f. Load: 1 M&Omh; and ≤ 30 pF.
g. Maximum output voltage = sensitivity x maximum energy.
h. Excludes non-linearities.
i. At 12 W. Maximum Average Power Density is 5 W/cm² @ 40 W.

More information about QED attenuators

Compatible Monitors: