Block Engineering Technology

Block Engineering's products use Quantum Cascade Lasers to serve customers in a variety of applications. For information on QCL technology, or a partial list of research papers that use Block's products, please click on the following.

Quantum Cascade Laser (QCL) Technology

Quantum Cascade Lasers are semiconductor devices, which operate differently from conventional semiconductor lasers. Read about the QCL technology used in our products.


Next Generation Tunable Infrared Lasers webinar by Block Engineering employees Peter Loges and Andrew Mendizabal

What Is A Quantum Cascade Laser webinar by University of Puerto Rico graduate student Edwin Caballero

Published Research Papers Featuring Block's Technology

You can review a large list of research papers featuring Block's QCLs, or click on any of the following "spotlight" articles to read highlights of select papers.

Research Paper Spotlight: Detecting Proteins Associated with Alzheimer's

Research Paper Spotlight: Measuring Airborne Silica Particles with QCLs

Research Paper Spotlight: Studying Cancer Microenvironments using a QCL Confocal Microscope

Research Paper Spotlight: Assessing the Purity of Pharmaceuticals

Research Paper Spotlight: Identifying Explosives in Soil


For technical presentations involving our products, please choose any of the following.

High-Speed Identification of Trace Chemicals on Conveyor-Driven Parcels (D. Wood, et al.)

Low-Cost Trace Chemical Detection System (E. Lenferink, et al.)

Detection and Characterization of Common Microorganisms Found in Biopharmaceutical Industries Using Mid-Infrared Laser Spectroscopy and Multivariate Analysis (W. Roca, et al.)

Q&As by the Block Engineering Team

The Block team answers questions about our laser and spectrometer technology below.

What is the difference between a pulsed and a CW (Continuous Wave) laser?

What are CWA, TIC/TIM, and NTA chemical agents?

How do QCL and FTIR chemical threat detection approaches differ?

What is an "external cavity" quantum cascade laser (EC-QCL)?

How are open-path laser systems different from point sensors?

What are the advantages of QCL spectroscopy in life science applications?

What are the differences between Raman and QCL spectroscopy?