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Measurement & Analysis Lasers
What are Measurement and Analysis Lasers?
What are Measurement and Analysis Lasers?Measurement & Analysis Lasers are specialized laser systems commonly used in the research and biophotonics markets for a wide range of applications. These lasers, typically operating in continuous wave (CW) mode, offer high precision and accuracy in measuring and analyzing various physical and chemical properties of materials. While catering to applications like dynamic light scattering, infrared absorption spectroscopy, laser Doppler velocimetry, DIAL LIDAR, and photoluminescence, Measurement & Analysis Lasers find utility in diverse research fields such as physics, chemistry, atmospheric science, and materials science. They play a crucial role in obtaining precise data, performing detailed analysis, and characterizing materials for a deeper understanding of their properties and behaviors. These lasers serve as indispensable tools for scientists and researchers engaged in a broad spectrum of studies and investigations.
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Measurement & Analysis Applications
Dynamic Light Scattering Lasers: Dynamic light scattering is a method for determining the size of particles suspended in a solution. This process utilizes the inherent Brownian motion of particles in solution, by looking at the temporal variations in laser light scattered off of these particles. Dynamic light scattering lasers must have a high quality TEM00 beam profile, narrow linewidth (SLM), and a stabilized wavelength.
DIAL Lasers: Differential absorption lidar (DIAL) is a method which allows for stand-off detection of aerosols and gasses in the atmosphere. In this application, two different lasers sources are used, one which matches an absorption band of the molecule of interest and one which is slightly outside of that band. Because of the wide variety of deployment methods, DIAL lasers are also varied widely from low powered diodes to high powered fiber lasers (typically CW, SLM, single-mode).
Infrared Absorption Spectroscopy Lasers: Infrared absorption spectroscopy takes advantage of the fact that all covalently bonded molecules have vibrational absorption bands whose energy corresponds to infrared wavelengths with overtones in the near infrared. Depending on the set-up, infrared absorption spectroscopy lasers can either be fixed wavelength or tunable but in either case; they must be wavelength stabilized to assure accurate and repeatable results (typically CW, SLM, single-mode, IR).
Laser Doppler Velocimetry Lasers: Laser Doppler Velocimetry is a method for measuring the velocity of transparent, or semi-transparent fluids. This process relies on a shift in frequency of the output beam to calculate the speed at which the fluid is moving. Since this change in frequency tends to be relatively small, it is essential that the laser source is highly coherent and stable. For this reason, single-frequency continuous-wave laser sources are ideal (typically CW SLM, single-mode, UV, green, IR).
Photoluminescence Lasers: Photoluminescence is a broad term for exciting light emission from a material utilizing a short-wavelength light source as the excitation source. Photoluminescence lasers are typically laser diodes or ns pulsed DPSS lasers, emitting short wavelengths in the UV or Blue spectral regions, utilized for measuring a semiconductor’s bandgap, for example.
Recommended Laser Series
We recommend the following laser series options for Measurement & Analysis applications. There can often be a ton of options and many variables. Contact us today for help finding the perfect laser for your specific application!
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The FL-P series offers a variety of standard and custom pulsed fiber laser options. Available in both OEM and Turnkey formats, our 1um and 1.5um fiber lasers are manufactured to Telcordia standards and can be modified to meet your applications requirements. With available average powers up to 10W at 1um and 1.5um, peak powers up to 25kW, pulse widths in the range of 200ps to 100ns, and available options such as pulse monitoring, internal and external triggering, TTL or LVDS input signals, extended operating temperature range, and a robust design, our pulse series of fiber lasers are suitable for a wide range of applications. Customized configurations are available upon request.
The CEUV series is a commercial line of compact and efficient DPSS laser sources, capable of operating over a wide range of pulsing conditions (duty-cycle and PRF), in a low SWaP package, with average power up to ≈5W @ 266nm, 10W @ 355nm or 532nm, 20W @ 1064nm. This series of DPSS lasers provides a combination of compact, efficient, and high-power performance in a rugged design suitable for harsh environments and airborne applications. The design has been tested in brassboard hardware and a prototype is being developed.
The REP series includes high-performance, tunable, single-frequency (DFB-like) diode lasers and Fabry-Perot laser diodes in wavelengths from 1270nm thru 2350nm, designed to address challenges in Gas Sensing, LIDAR, Spectroscopy, and Telecom. The REP series includes high-power and narrow linewidth options, covering various product ranges at the most popular wavelengths, providing customizable units with multiple packaging options, including the Fiber coupled 14-pin butterfly, TO39 (w/TEC), and TO56. For a complete module incorporating the fiber-coupled butterfly package with an integrated current driver and TEC controller, designed for ease of operation, it is the ideal platform for high stability gas detection or remote sensing. 
The uniMir Series is a long-wavelength, single-frequency, DFB, CW Quantum Cascade Laser based on proprietary technology. The technology’s versatility allows them to address any wavelength between 10 and 18µm in CW and up to 21µm in pulsed mode. now commercially available in a sealed High Heat Load (HHL) package, with integrated collimating lens, thermistor, and thermoelectric cooler (TEC), well suited for integration into systems, or as a stand-alone turnkey system for R&D and detection applications.
The VaryDisk Series is a versatile and fully functional family of thin disk laser systems, providing high pulse energies at high average powers, suitable for laboratory investigations or industrial use. These thin disk regenerative amplifiers provide a range of beam parameters, depending on the configuration and your specific application needs. With a range of output specifications to choose from, including multiple seed lasers, customers can select the ideal configuration to meet their needs with many customization options available. The base configurations offer options for pulse widths in the fs, ps, and ns range, up to 1000 W average power, up to 150 mJ pulse energy, 1 kHz to 125 kHz rep. rate, and 1030 nm, 515 nm (SHG), and 343 nm (THG) wavelength options.