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quantum cascade laser News
Bruker Takes Majority Stake in MIRO Analytical
ZURICH, Oct. 12, 2023 — Bruker Corp. has become the majority investor in MIRO Analytical AG, a provider of quantum cascade laser (QCL)-based multigas analyzers for simultaneous, high-precision monitoring of up to 10 trace gases. The Swiss startup company’s products complement Bruker Optics’ gas-analysis spectroscopy portfolio, including Bruker’s OMEGA and Matrix MG spectroscopic gas analyzers, Bruker said. Financial details of the transaction were not disclosed. MIRO Analytical’s
NASA Aims to Deploy Terahertz Laser to Help Resolve Lunar Water Mystery
GREENBELT, Md., Aug. 26, 2022 — Locating water and other resources on Earth’s moon and beyond in our solar system is a NASA priority crucial to exploring our solar system and beyond. Previous experiments inferred and then confirmed the existence of small amounts of water...
Compact Terahertz Laser, With Room to Shrink, Produces 120 Frequencies
CAMBRIDGE, Mass., Jan. 31, 2022 — Researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have taken a step toward bringing terahertz frequencies out of their hard-to-reach region of the electromagnetic spectrum and into everyday applications. A...
Ultrashort-Pulse QCLs Push Possibilities into Mid-Infrared
ZURICH, Dec. 1, 2021 — Researchers at ETH Zurich have demonstrated direct femtosecond pulse emission from a QCL in the mid-infrared region. The demonstration, which the ETH Zurich researchers reported is the first of its kind, opens the possibility for novel applications...
Microscope Detects Chirality to Make Solid-Tissue Imaging Possible
URBANA, Ill., March 16, 2021 — Researchers at the University of Illinois’ Beckman Institute for Advanced Science and Technology developed a spectroscopic microscope enabling optical measurements of molecular conformations and orientations in biological samples. The device...
Federico Capasso Awarded 2021 Frederic Ives Medal/Jarus W. Quinn Prize
WASHINGTON, D.C., Jan. 27, 2021 — OSA will present Federico Capasso with the 2021 Frederic Ives Medal/Jarus W. Quinn Prize, which recognizes overall distinction in optics. Capasso, the Robert L. Wallace Professor of Applied Physics and Vinton Hayes Senior Research Fellow in...
Laser Method Makes Intense Mid-IR Pulsing More Practical
VIENNA, Nov. 24, 2020 — Research efforts from Vienna University of Technology, in collaboration with Harvard University, have led to the development of a laser method that increases the practicality and usability of mid-infrared pulsed lasing. Infrared lasers capable of...
Terahertz Quantum Cascade Laser Light Propogates Beyond Laboratory Walls
CAMBRIDGE, Mass., Nov. 4, 2020 — Researchers at MIT and the University of Waterloo (Canada) created a high-power quantum cascade laser (QCL) capable of generating terahertz radiation outside of a laboratory environment. The laser has applications for skin cancer diagnostics and...
Infrared Spectroscopy Moves to the Fast Lane
TOKYO, Sept. 2, 2020 — Researchers at the University of Tokyo have developed a technique to drastically increase the speed of infrared spectroscopy. The technique, called time-stretch infrared spectroscopy, surpasses dual-comb spectroscopy nearly 10× over. The...
Harvard, MIT, Duke, US Army Team Up on Terahertz Technology
BOSTON, Dec. 2, 2019 — Researchers have created a new terahertz radiation emitter with coveted frequency adjustment capability. The compact source could enable the development of futuristic communications, security, biomedical, and astronomical imaging systems. The...
MWIR Laser Enables Study of High-Explosive Detonations
TUCSON, Ariz., and RICHLAND, Wash., Sept. 5, 2019 — Scientists at the University of Arizona and Pacific Northwest National Laboratories used a broadly tunable swept-wavelength external cavity quantum cascade laser (swept-ECQCL) operating in the midwave infrared (MWIR) spectral region to measure...
Terahertz Technology Is Heating Up
ZÜRICH, Aug. 5, 2019 — Researchers at ETH Zurich have reported the highest operating temperature of a quantum cascade laser, which eliminates a major barrier in the practical implementation of the technology. While not quite T-shirt temperature, the team from the Jérôme...
Block MEMS Awarded $3.5M DARPA Contract to Protect Urban Environments
SOUTHBOROUGH, Mass., Aug. 2, 2019 — Block MEMS LLC, a developer of quantum cascade laser-based IR detection systems, has been awarded a $3.5 million contract from DARPA as part of the SIGMA+ program.
QCL, THz Frequency Combs May Become the Future of Wi-Fi
CAMBRIDGE, Mass., Aug. 13, 2018 — Wi-Fi and cellular data traffic are increasing exponentially, but unless the capacity of wireless links can be increased, all that traffic is bound to lead to bottlenecks. Upcoming 5G networks are a temporary fix. Researchers are focusing on...
Plasmon Findings Could Pave-Way for Carbon-Based NIR Optoelectronic Devices
HOUSTON, March 19, 2018 — Researchers’ observation of gate-controlled quantum plasmons in aligned carbon nanotubes could pave the way for the development of carbon-based NIR optoelectronic devices and enable researchers to study the collective dynamic response of...
Spectroscopy Technique Could Detect Chemicals in Minuscule Amounts
LEXINGTON, Mass., Feb. 9, 2017 — A microscope that can chemically identify μm-sized particles could one day be used in airports and other high-security venues to rapidly screen people for microscopic amounts of potentially dangerous materials. The technique, which was developed...
Alpes Lasers to Supply QCLs to US Air Force Intelligence Project
ST. BLAISE, Switzerland, Dec. 14, 2016 — Advanced light source developer Alpes Lasers SA has been selected as a supplier and developer of broadband quantum cascade lasers (QCLs) by several chemical sensing companies working on the Standoff Illuminator for Measuring Absorbance and...
Breakthroughs Bring THz Spectroscopy, Sensing Closer to Mainstream
Nov 3, 2016 — The terahertz (THz) electromagnetic spectrum (1 to 10 THz), sitting between the infrared wavelengths on the higher frequency side and microwaves on the lower frequency side, has unique and important properties. THz waves can pass through a number of...
Novel Design May Make QCLs More Efficient, Easier to Produce
ORLANDO, Fla., Oct. 24, 3016 — Quantum cascade lasers (QCLs) developed using just two different materials have been demonstrated a performance comparable to QCLs manufactured using more costly, complicated methods. Previous approaches to QCL production have required the QCL to be...
Periodic Photonic Structures Focus Spaser Light for Nanoscale Optics
BETHLEHEM, Penn., August 4, 2016 — Single-mode operation in plasmonic lasers has been demonstrated using a technique that implements distributed feedback in a novel way that couples the resonant surface plasmon polariton (SPP) mode of the laser to a highly directional far-field...
Terahertz QCL Demonstrates Record Power in CW Mode
BEIJING and SICHUAN, China, July 28, 2016 — The output power of a terahertz quantum cascade laser (QCL) has been effectively doubled, producing record output power of up to 230 mW in CW mode, compared to the previous record was 138 mW. A scanning electron microscope image of the terahertz...
Widely Tunable MIR QCL Eyed for Spectroscopy, Chemical Sensing
EVANSTON, Ill., June 9, 2016 — A broadband-tunable IR laser has been demonstrated the ability to capture the unique spectral fingerprints of gases. The monolithic laser technology is compact, and is expected to have applications in spectroscopy and chemical sensing. Picture of...
Breakthrough for Real-Time THz Imaging
May 31, 2016 — Terahertz technologies have become a major field of applied research, driven by the tremendous potential of applications such as nondestructive testing, biomedical imaging, security screening and telecommunications. Imaging using THz radiation has...
Quantum Cascade Lasers: Where They Are and Where They're Going
May 28, 2015 — QCLs are carving a clearer niche in photonics applications, namely in defense and security, medical diagnostics, atmospheric gas sensing and mid-IR imaging. Since its first demonstration more than two decades ago, the quantum cascade laser (QCL) has...
Collaboration to Develop QCL Threat-Detection Systems with €3.35M EC Grant
GLASGOW, Scotland, May 5, 2015 — A group of European companies and researchers, including laser experts and law enforcement agencies, will collaborate on a €3.35 million European Commission-funded project to develop photonic systems to detect explosives and hazardous...
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April 2024
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