Near-infrared spectroscopy, known as NIR spectroscopy or NIRS, is a long-established analytical technique. For over 30 years, it has proven to be a fast and reliable method for measuring chemical and ...

How Does QCL-IR Microscopy Work? In a QCL-IR microscope, there are four primary subsystems: Wider spectral ranges can be covered by (1) a string of QCLs or a tunable quantum cascade laser operating ...