QUANTA SERIES QE4 SPECIFICATIONS

MONITORS TYPICAL INDUSTRIAL LASERS
COMMON APPLICATIONS QE4
• High repetition ratepulse lasers • Medical systems • Exposure measurements • Low repetition rate small lasers • Ophthalmic • Low energy YAG & CO 2 • Nitrogen • Modulated lasers • Low energy OEM ENERGYDETECTORS All dimensions in mm QE4-SP-S-BLQE4-SP-S-MT

MEASUREMENT CAPABILITY

Spectral Range 0.19 - 20 µm0.19 - 2.5 µm Maximum Measurable Energy
a , 7nsec 16 mJ at 1064 nm27 mJ at 1064 nm 0.7 mJ at 266 nm5.5 mJ at 266 nm
POWERDETECTORS Noise Equivalent Energy
b 1 µJ1 µJ Sensitivity
c,d 150 V/J200 V/J Max Repetition Frequency 1200 Hz6000 Hz Maximum Pulse Width (typical) 100 µsec10 µsec Rise Time (typical 0-100%) 200 µsec20 µsec Calibration Uncertainty
e, f ±3%±3% Repeatability< 0.5% < 0.5%
OEMDETECTORS

DAMAGE THRESHOLDS

Maximum Average Power 0.3 W0.3 W Maximum Energy Density 1.064 µm, 7 ns, 10 Hz0.15 J/cm
2 0.25 J/cm
2 266 nm, 7 ns, 10 Hz0.006 J/cm
2 0.05 J/cm
2

PHYSICAL CHARACTERISTICS

PHOTODETECTORS Effective Aperture 3.7 mm Ø3.7 mm Ø Absorber BL: Black MT: Metallic Dimensions 20 Ø x 30 mm20 Ø x 30 mm Weight 20 g20 g Effective Area 0.11 cm
2 0.11 cm
2 DIFFRACTIVEOPTICS a. Increasing pulse width increases the maximum measurable energy.b. Nominal value, actual value depends on electrical noise in the measurement system. c. Load:1 M Ω and ≤ 130 pF.d. Maximum output voltage = sensitivity x maximum energy.e. Not including linearity with power. f. Change in calibration with dose: 1% change with 432 000 J/cm 2 , 864 000 J/cm 2 with QEAS. Specifications subject to change without notice BEAMDIAGNOSTICS T 418.651.8003 1 888 5GENTEC F 418.651.1174 www.gentec-eo.com info@gentec-eo.com 25