Laser 2000 is proud to offer the CW-MHF, a new generation of CW mode-hop-free mid-IR lasers for high-resolution, mid-IR spectroscopy. Specially developed for users needing high spectral resolution, phasecontinuous tuning to avoid jumping over spectral lines, or both. Drawing on years of precision engineering and manufacturing experience, the DRS Daylight CW–MHF laser features a highly stable laser cavity that, guided by finite element analysis (FEA), was designed to reduce susceptibility to acoustic perturbations and maximise robustness.
Narrow-linewidth operation with MHF tuning are high demands for any laser system. However, unique in the industry, the CW–MHF is able to provide open-loop linewidths of ≤ 5 MHz (over 100 ms) and MHF tuning to > 30 cm-1, and often to > 100 cm-1. The CW–MHF also includes two ways to modulate wavelength: via a PZT or current modulation. This unrivalled combination of wide MHF tuning, narrow-linewidth operation, and modulation capability enables high resolution spectroscopy and/or locking to a wavelength reference.
Features & Benefits:
- Wavelength availability: <4 to >11 µm
- MHF tuning range: ≥30 to 100 cm-1 (typical, depending on model)
- CW power > 70 mW typical
- Linewidth (FWHM < 5 MHz (10 ms) and < 10 MHz (1s)
- Wavelength accuracy of ± 0.5 cm-1 (± 15 GHz), unidirectional
- Ultra-quiet, with RIN as low as -140 dBc/Hz, enables higher-SNR spectroscopy
- Superb TEM00 beam quality, low beam pointing
- SideKick™ controller, GUI, and SDK included with all systems
- Proprietary HFQD™ circuitry to protect your chips
Techniques & Applications
The unique feature set and industry-leading performance of the CW–MHF Mid-IR Laser enable a wide range of sensitive spectroscopy techniques and applications:
Spectroscopy techniques
- High resolution
- Rotational-vibrational
- Cavity ring-down
- Photoacoustic
- Gas phase
Applications
- Environmental monitoring
- Fence line monitoring
- Combustion diagnostics
- TIC, VOC, GHG, and explosives detection
- Process control
- Nanoscale imaging
- Biomarker detection in breath
- Chemical and biological agent sensing
- IR sensor development