Tunable Monolux Quantum Cascade Laser at 3.8um

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Specifications

Output Power (avg): 0.5 W
Wavelength: 3.8 um
Pulse Duration: 50 – 500 ns
Tuning Range Around Center Wavelength: <= 250nm
Wavelength Coverage: ± 5% around the center wavelength
Repetition Rate: ~500 kHz - 2 MHz
Duty Cycle: ~50%
Center Wavelengths: 3.8 µm, 4.1 µm, 4.5 µm, 4.8 µm, 6.3 µm, 6.8 µm, 7.3 µm, 8.5 µm, 9.5 µm, 10.2 µm
Tuning Speed: 100 ms for entire tuning range
Output Linewidth: < 2 nm (<0.3 cm⁻¹)
Beam Divergence: < 5 mrad
Wavelength Accuracy: Better than 0.3 cm⁻¹
Wavelength Repeatability: ± 0.3 cm⁻¹ unidirectional
Cooling: Passively cooled
Guiding Beam: Red 640nm, 4mW laser
Size: 12 cm (W), 4.5 cm (H), 13 cm (D)
Weight: < 0.5 kg
Computer Interface: USB
Computer Requirements: Windows XP or later with USB 2.0
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Features

  • Tunable Quantum Cascade Laser System: The MonoLux system features a tunable external grating cavity quantum cascade laser, offering wavelength coverage of ±5% around the center wavelength, with broader tuning ranges available optionally.
  • Operation Modes: Operates in quasi-CW mode with 200-500 ns pulses at a repetition rate of ~500 kHz to 2 MHz, achieving a ~50% duty cycle. CW mode is available as an option with a 100% duty cycle.
  • Power Output: Provides an average power output exceeding 500 mW at the center of its tuning curve, depending on the chosen center wavelength.
  • Quiet Operation: Passively cooled design with no fans ensures very quiet operation.
  • Center Wavelength Options: Available center wavelengths include 3.8 µm, 4.1 µm, 4.5 µm, 4.8 µm, 6.3 µm, 6.8 µm, 7.3 µm, 8.5 µm, 9.5 µm, and 10.2 µm.
  • Fast Tuning Speed: Achieves a tuning speed of 100 ms for the entire range, with continuous and repeated scans or step and scan options.
  • Power Output Stability: Stability of ±3% pulse-to-pulse and ±2% average power over hours.
  • Pulse Trigger Options: Supports both internal and external pulse triggers, with customizable pulse repetition sequences.
  • Output Linewidth: Less than 2 nm (<0.3 cm-1) in QCW mode.
  • Beam Quality: Collimated output with a beam divergence of < 5 mrad and nearly diffraction-limited (TEM00).
  • Wavelength Accuracy and Repeatability: Accuracy better than 0.3 cm-1 and repeatability of ±0.3 cm-1 unidirectional.
  • Guiding Beam (Optional): Includes a red 640 nm, 4 mW laser aligned with IR beams for optical arrangement assistance.
  • Compact and Lightweight: Dimensions are 12 cm (W) x 4.5 cm (H) x 13 cm (D) and weighs less than 0.5 kg.
  • Computer Interface: USB connection with compatibility

Applications

  • Environmental Sensing: Utilize the tunable wavelength capabilities for precise detection of various gases and pollutants in the environment.
  • Medical Diagnostics: Employ the laser system for non-invasive diagnostic applications, such as breath analysis or tissue imaging.
  • Industrial Process Monitoring: Monitor and control industrial processes by detecting specific chemical compounds or changes in material properties.
  • Scientific Research: Use the high precision and tunability of the laser for advanced research in fields such as physics, chemistry, and materials science.
  • Security and Defense: Implement the system for detecting hazardous substances or for use in secure communication systems.
  • Remote Sensing: Apply the laser's capabilities for remote sensing applications, including atmospheric studies and geological surveys.