"I had done a lot of mid-infrared spectroscopy throughout my career; I thought NIR would be a slightly different ... specific types of fibers, the less manual work has to go into fabric sortation ...

it contains 64 different fabric types along with the NIR fingerprints they produce. The database includes pure fiber types, such as cotton and polyester; blended fiber types such as spandex blends; ...

Whereas man-made fibers were not in heavy use until the 1920s. A textile analyst must also understand and examine weaving techniques which helps determine the type of material and its relative ...