Daily Archives: April 7, 2009

The Woods Light

Perhaps a little off topic. The Black Light or the Woods Light is a low energy ultraviolet emitter  usually at 365 nm. All kinds of DNA based materials fluoresce when illuminated by a UV source. In fact one of the primary uses … Continue reading

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UVA (PUVA) What and why?

UVA is the long wavelength portion of the UV Spectrum. The UV spectrum is defined as the wavelengths twixt 100 and 400 nm with UVA usually defined as the wavelengths between 315 nm (nano meter) and 400 nm as depicted … Continue reading

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