SP-B-3800

The SP-B-3800 is a Q-switched DPSS mid-infrared laser operating at 3800 nm, designed to deliver high peak power, stable output, and short pulse duration. Utilizing acousto-optic (AOM) Q-switching, this laser provides reliable performance at a fixed 30 kHz repetition rate, making it ideal for demanding mid-IR applications. With average output power options up to 500 mW, excellent long-term stability, and a robust solid-state design, the SP-B-3800 is widely used in medical treatments, scientific research, spectroscopy, and advanced sensing applications. Its fast warm-up time and long operational lifetime ensure efficient and dependable operation in laboratory and industrial environments.

Features
  • Mid-infrared wavelength at 3800 nm
  • Acousto-optic Q-switched DPSS laser
  • Short pulse duration (~22 ns)
  • High repetition rate: 30 kHz
  • Average output power up to 500 mW
  • High single-pulse energy (16.7 µJ)
  • Excellent power stability (<5% over 4 hours)
  • Low beam divergence and stable beam quality
  • Fast warm-up time (<10 minutes)
  • Long lifetime (up to 10,000 hours)
Applications
  • Medical treatment and therapeutic research
  • Scientific and academic research
  • Mid-infrared spectroscopy
  • Optical sensing and detection
  • Laboratory instrumentation
  • Advanced photonics experiments
Specifications
Parameter Specification
Wavelength 3800 ± 30 nm
Operating Mode Acousto-Optic Q-switched
Max Average Power >1, 10, 30 … 500 mW
Power Stability (4 hrs) <5%
Pulse Duration ~22 ns @30 kHz & 500 mW
Repetition Rate 30 kHz
Single Pulse Energy 16.7 µJ
Beam Divergence (full angle) <5 mrad
Beam Diameter (1/e²) ~11 mm
Beam Height from Base Plate 110 mm
Warm-up Time <10 minutes
Operating Temperature 10–35 °C
Power Supply 90–264 VAC, QDI-AOM (3U)
Expected Lifetime 10,000 hours
Warranty 1 year