Tunable Laser - Pulsed
The Tunable Pulsed External Cavity Quantum Cascade Laser (ECqcL™) system provides the user with over 100 cm-1 of tunability in less than a second. This translates to tunability of 5% to 10% of the center wavelength. The platform offers adjustable pulse widths anywhere from 40 nsec to 500 nsec and pulse repetition frequencies (PRF) from 50 Hz to 100 kHz. The system operates at room temperature, requiring no external cooling.
Features
- Wavelengths offered: 4.2, 4.4, 4.5, 4.6, 4.9, 5.3, 6.1, 7.4, 7.8, 8.1, 8.8, 9.2, 9.5, 10.5, 11.5 µm
- Tuning range: 100 cm-1 Typical, 75 cm-1 Guaranteed
- Peak power: >250 mW Typical
- Average power maximum: >5 mW Typical (@5% duty cycle)
- Linewidth: <1 cm-1 FWHM
- Controller: includes TEC and laser driver
- Room temperature operation
Benefits
- Center wavelengths covering most of the mid-IR
- Broad tuning range – see more molecules per laser
- Integrated system for easy use – manual & computer control
- Highly collimated beam for more usable photons
- Park on a single wavelength or scan continuously
- No chiller required
Product Details
Daylight Solutions is pleased to provide the world’s first broadly tunable mid-IR lasers based on quantum cascade technology. Center wavelengths span the mid-IR spectrum from 4 μm to 12 μm and provide continuous tuning of up to 100 cm-1 (±5% for a 10 μm center wavelength). All lasers offer superb wavelength accuracy and stability throughout their tuning range.
Designed by the world’s leading experts in tunable lasers, these sources are small, robust, and utilize specially designed miniature lenses to optimize system performance. Each system integrates TEC technology for behind-the-scenes temperature control, so no cryogenic cooling is required.
To round out the turnkey system, each tunable laser is shipped with an intuitive, easy-to-use multifunction controller. The controller is accessible to a PC through RS-232 and GPIB interface;, future firmware upgrades will enable the USB interface. This allows external control of the tunable laser for a variety of applications, including scientific research and its development. The controller is also manually accessible through its easy-to-use front panel.
Daylight Solutions’ overall system leverages the last 15 years of tunable laser development and manufacturing, and incorporates the company’s latest patent-pending tuning and packaging technology for the mid-IR.
The availability of robust, easy-to-use tunable lasers in the 4μm to 12 μm region of the spectrum is now a reality. These lasers enable application research in the field of molecular detection and imaging.
Common applications include industrial process control, the detection of biomarkers in the breath, cellular imaging, and the detection of chemical and biological agents.
Daylight Solutions' mid-IR laser platform technology opens up the mid-IR to all researchers—today. Please see our web site for information on other mid-IR laser systems, including tunable CW lasers.
Call today for pricing and availability of specific wavelengths.
Specifications
| Product Specifications | |
| Room Temperature† — No Chiller Required | |
| Operation | Pulsed Only |
| Center Wavelengths: (units in μm) | 4.2, 4.4, 4.5, 4.6, 4.9, 5.3, 6.1, 7.4, 7.8, 8.1, 8.8, 9.2, 9.5, 10.5, 11.5‡ |
| Optical Parameters | |
| Tuning Range | 100cm-1 Typical, 75 cm-1 Guaranteed |
| Peak Power | >250 mW Typical |
| Minimum Avg. Power | 1 mW |
| Maximum Avg. Power | >5 mW Typical (@ 5% duty cycle) |
| Power Variation | <5% pulse to pulse, <2% avg. over 1 hr. |
| Linewidth | <1 cm-1 FWHM |
| Beam Divergence | <5 mrad |
| Beam Waist | 30–50 cm Typical (from exit port*) |
| Polarization | Linear 100:1, Vertical Direction |
| Pointing Stability | <1 mrad up to 100 cm-1 tuning |
| Spot Size Minimum | <2.5 1/e Electric Field Dia. |
| Beam Quality | TEM00 |
| Electrical Parameters | |
| Pulse Width | 40 to 500 nsec (20 ns increments) |
| Pulse Repetition Frequency | 0.1 to 100 kHz (0.1 kHz increments) |
| Duty Cycle | Up to 5% |
| Triggering | Internal and External Pulse, External Trigger |
| Scanning | Unidirectional and bidirectional survey scan, Start, Stop, Step, Pause scanning programmable |
| External Interface | RS-232, GPIB supported, USB supported in 2010 |
| Mechanical Parameters | |
| Full Range Tuning Speed | <1 sec for 100 cm-1 scan |
| Display Accuracy | ±1.0 cm-1 unidirectional |
| Display Repeatability | <0.02 cm-1 unidirectional |
| QCL Operational Temp | 15°C Typical |
| Relative Temp | ±5°C Programmable |
| Package Size | 5.5" L × 3.45" W × 3.31" H |
† Ambient temperature 20°C, 10% to 90% humidity
‡ Wavelengths in development
Industries & Applications
Scientific
Defense
- Photoacoustic spectroscopy (PAS)
- Hyperspectral imaging
Defense
- Explosives Detection
- Chemical warfare agent detection
- Infrared countermeasures (IRCM)
- Illumination
- Photoacoustic spectroscopy
- Standoff detection research
- Hyperspectral imaging
- Remote sensing
Medical
Environmental
Industrial
- Biomedical imaging
- Breath analysis
- Glucose monitoring
Environmental
- Atmospheric research
- Pollution monitoring
- Toxic industrial chemicals detection
- Greenhouse gas monitoring (GHG)
Industrial
- Process control
- Fence line monitoring
- Toxic industrial chemicals detection
- Gas leak detection
- Combustion diagnostics
