Tunable Monolux Quantum Cascade Laser at 3.8um
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On FindLight:
since 2014
Description
The MonoLux Tunable Quantum Cascade Laser System is a state-of-the-art solution designed for precision and versatility in various applications. This cutting-edge system features a wavelength tunable external grating cavity quantum cascade laser, ensuring accurate and reliable performance. The MonoLux system includes a single QCL, providing a wavelength coverage of ±5% around the center wavelength, with broader tuning ranges available as an option. The laser head, which houses the QCL and collimating optics, is expertly sealed to ensure trouble-free operation in diverse environments, making it a robust choice for demanding conditions.
Designed for ease of use and integration, the MonoLux system is delivered as a complete package that includes the laser head and a laptop-based operating system, ready to be deployed at the customer's location. The QCL operates in a quasi-continuous wave (QCW) mode, emitting 200-500 ns pulses at a repetition rate of approximately 500 kHz to 2 MHz, achieving a duty cycle of around 50%. This operational mode allows the QCL to deliver an average power output exceeding 500 mW at the center of its tuning curve, contingent on the selected center wavelength. For users requiring continuous wave (CW) operation, a 100% duty cycle option is available. The system is passively cooled, eliminating the need for fans and ensuring quiet operation.
With a focus on precision, the MonoLux-AA variant offers a tunable quantum cascade laser with a user-specified center wavelength. Available center wavelengths range from 3.8 µm to 10.2 µm, catering to a variety of applications. The system's output spectrum is tunable over the gain bandwidth of the QCL, and it features rapid tuning speeds, capable of scanning the entire range in just 100 ms. The laser's power output is consistent, with an average of 500 mW at the center of each QCL tuning curve, and stability is maintained within ±3% pulse-to-pulse and ±2% over extended periods. The MonoLux system is engineered for precision and reliability, with a nearly diffraction-limited output beam quality and excellent wavelength accuracy and repeatability.
Compact and lightweight, the MonoLux system is designed for seamless integration into existing setups. With dimensions of 12 cm (W) x 4.5 cm (H) x 13 cm (D) and a weight of less than 0.5 kg, it is easy to handle and install. The system interfaces with a computer via USB, and it requires a Windows XP or later operating system with USB 2.0 for optimal performance. Optional features, such as a guiding beam for optical arrangement assistance, further enhance the system's functionality, making the MonoLux Tunable Quantum Cascade Laser System a versatile and powerful tool for precision applications.
Tunable Monolux Quantum Cascade Laser at 3.8um
Specifications |
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|---|---|
| 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 |
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.
Frequently Asked Questions
The MonoLux Quantum Cascade Laser system is a wavelength tunable external grating cavity quantum cascade laser system consisting of one QCL.
The MonoLux Quantum Cascade Laser system provides wavelength coverage of ± 5% around the center wavelength.
The MonoLux Quantum Cascade Laser system is operated in a quasi-CW mode with 200-500 ns pulses with a repetition rate of ~500 kHz - 2 MHz giving a duty cycle of ~50 %.
The average power output from a QCL exceeds 500 mW at the center of its tuning curve depending on the choice of center wavelength.
The MonoLux Quantum Cascade Laser system is widely used in spectroscopic applications and enables new applications in fields such as free space optical communications, directed infrared countermeasures, and other security areas.