Why is Diffuse Reflectance Spectroscopy Used? One of the main techniques for evaluating the optical properties of materials is optical absorption spectroscopy, or UV-vis spectroscopy. Most absorption ...

Diffuse reflectance spectroscopy (DRS), in which the diffuse and scattered light returning from a sample can reveal details of its composition, has been widely studied as a means to measure hemoglobin ...

Cerebral blood flow is essential for normal brain function and often perturbed in neurological disease. If one shines a ...

In the field of clinical instrumentation and life science research, sensing and optical spectroscopy perform vital roles in a range of applications. Optical spectroscopy offers an optimal method for ...

Experimental DRS setup. (Courtesy: S Dadgar et al J. Biomed. Opt. 23 067001/CC BY 3.0). Tumour hypoxia is associated with poor clinical outcome following radiation or chemotherapy in cancer patients.

In the early 1940s, the first commercial dispersive spectrometers emerged for UV-Vis applications. This technology is based on the dispersion of light in dependence of its wave-lengths. The dispersion ...

Light speckle fluctuations, a noninvasive proxy for cerebral blood flow index (CBFi), are quantified by diffuse correlation spectroscopy. However, this conventional technique provides marginal brain ...