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Essential Facts You’d Want to Know About Near Infrared

by georgemelcher

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Before mobile phones were smart and had Wi-Fi or Bluetooth, infrared was the primary method of transferring pictures and other files from one gadget to another. But before you start thinking that infrared technology is a thing of the past, you ought to know that it has other practical applications in various industries. One fine example is a high-quality near infrared spectroscopy device that has a critical role in the field of pharmaceuticals, manufacturing, and medicine to name a few.

What is near infrared spectroscopy (NIRS)?

NIRS is defined as the utilization of the near infrared segment of the electromagnetic spectrum in analyzing and dissecting a certain object’s characteristics based on the wavelengths of light that it emits. The light an object absorbs and emits is dependent on its temperature, particles, and other factors. Thus, NIRS technology is useful in quantifying the physical properties of the material being evaluated, such as its mass, particle size, and chemical composition.

Brief History of NIRS

It was in the early 19th century when Sir Frederick William Herschel discovered infrared radiation, a spectrum of light that was invisible to the human eye. Decades after his discovery, infrared found its first industrial application in the 1950s when it was used as an add-on to optical devices like ultraviolet (UV) or mid-infrared (MIR) spectrometers. Further developments led to stand-alone NIRS gadgets that proved to be significant in a variety of fields.

What are its typical applications?

Advanced near infrared technology can be used for agriculture, astronomy, healthcare, and scientific researches. NIRS systems are also valuable in drug and chemical manufacturing. NIRS is an accurate yet economical means of conducting quality control, diagnostics, imaging, and analysis.

Why is it important to society?

You may not be aware of it, but a number of non-invasive diagnostic procedures and quality control areas of manufacturing plants are utilizing NIR spectrometers. These devices ensure that products meet a certain standard and don’t contain harmful elements for the consumer. Also, NIR is helpful in astronomical researches, remote monitoring, and medical studies that could benefit a lot of people.

You might not be able to visualize near infrared light or use it for your daily tasks. However, you have NIRS to thank for the right dosage of your vitamins and the divine taste of your tea. For more information about NIRS, you can visit

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