EMCORE Corporation
EMCORE Corporation designs and manufactures the world’s highest-performance Fiber Optic Gyr……...

The CW-MHF Mid-IR laser is the ultimate instrument for high-resolution mid-IR spectroscopy. The DRS Daylight CW-Mode-Hop-Free laser is suitable for users requiring phase-continuous tuning to prevent spectral line hopping, high spectral resolution, or both.
The goal for any laser system is to achieve MHF tuning and narrow-linewidth operation. With open-loop line widths of ≤ 5 MHz (over 100 ms) and MHF tuning to > 30 cm–1, and frequently to > 100 cm–1, the CW-MHF system is unique in the industry.
The CW-MHF laser achieves this performance using a very stable laser cavity, led by finite element analysis, intended to reduce sensitivity to acoustic perturbation. This design draws on years of expertise in precision engineering and manufacturing. TheCW-MHF laser offers two methods for changing wavelength: current modulation and PZT modulation.
This unique combination of modulation capabilities, narrow-linewidth operation, and broad MHF tuning allows locking to a wavelength reference and/or high-resolution spectroscopy.
Highlights
Features & Benefits
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 the chips
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
Techniques & Applications
The CW-MHF Mid-IR Laser’s unique feature set and industry-leading performance allow for a wide range of sensitive spectroscopy techniques and applications.
Spectroscopy Techniques
Photoacoustic
Gas phase
High resolution
Rotational-vibrational
Cavity ring-down
Applications
Process control
Nanoscale imaging
Biomarker detection in breath
Chemical and biological agent sensing
IR sensor development
Environmental monitoring
Fence line monitoring
Combustion diagnostics
TIC, VOC, GHG, and explosives detection
Product Specifications
Source: DRS Daylight Solutions Inc.
| . | . | . |
|---|---|---|
| Operation | Continuous wave, mode-hop-free (CW-MHF) and extended CWtuning | |
| Center Wavelength | Availability < 4 to > 11 µm |
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