Substrates for Far-IR Transmission Experiments

university wafer substrates

Quartz for Far-IR Transmission Experiments

A company researcher requested the following quote:

Buy Fused Quartz Online!

"I wanna do far IR transmission on 8 inch quartz. I know single crystal quartz is transparent in that range. I'm not sure the fused quartz, cause it has OH groups inside. If you have a small piece (even broken ones) of such fused quartz and are willing to send me to test. I will be very grateful. If fused quartz works, I will definitely buy that. This is for far infrared purposes.Wafer should be as flat as possible."

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Benefits for Far-IR Transmission Experiments

Far-infrared interferometry therefore has broader appeal than just the far-infrared community, because it holds the potential to catalyze development of interferometry on a spatial basis over a number of wavelengths. The present study demonstrated the efficacy of silicon as a transmitting material to be used in the far-infrared wavelength range from 20 to 160 microns. At the other end of the scale, near-infrared interferometry is capable of measuring the near/mid-infrared emissions from galaxies with higher redshifts at the residual frame, without the information-compromising effects of spatial clutter. 

Infrared power may also be able to detect objects in the Universe not seen with optical telescopes using visible light. Many objects in the Universe are too cold and dim to be seen in visible light, but they can be detected in infrared. To the astrophysicists who study the Universe, sources of infrared radiation, like planets, are relatively cool in comparison with energy given off by hot stars and other celestial objects. 

Future Research Needs

Infrared energy can reveal objects in the universe that are too cool or faint for visible light telescopes because infrared waves have longer wavelengths than visible light waves. Infrared energy can penetrate through the dense gas and dust in space, allowing the waves to be detected and studied by scientists. These waves are also known as thermal radiation. For millennia, thermal radiation has been used to treat various ailments. With the help of technological advancements, new techniques for the delivery of FIR have been developed. Consequently, the benefits of FIR have grown. It is now a widely used and safe energy source for many applications.

Video: Learn about Far-IR Transmission Experiments