Thursday, June 19, 2025

It's a new blue!

 

This is a great article about a really interesting development in the world of optics and photonics about a new color. It's so new and exciting that I'm posting links to TWO articles about this colorful story.

(Well, you know I was going to try for something like that.)


Scientists Trick The Eye Into Seeing New Color 'Olo'

"But using a new technique called “Oz,” scientists at the University of California, Berkeley, have found a way to manipulate the human eye into seeing a brand-new color — a blue-green color of unparalleled saturation that the research team has named “olo.”

“It was like a profoundly saturated teal … the most saturated natural color was just pale by comparison,” said Austin Roorda, a professor of optometry and vision science at UC Berkeley’s Herbert Wertheim School of Optometry & Vision Science, and one of the creators of Oz."


"This week, researchers reported in the journal Science Advances that by using precisely aimed laser light, they were able to selectively target just one of the three types of color-sensing cones in the human retina. The cone, dubbed “M” because it responds to medium wavelengths of light, is normally stimulated at the same time as cones that respond to longer wavelength reddish light, or shorter wavelength bluish light. But after mapping the location of the cones in several subjects’ eyes, the researchers were able to target just the M cones with one specific wavelength of green laser light—a condition that would never exist in nature. The result, they say, is a highly saturated bluish-green teal color unlike anything in the real world. The researchers named their new color “olo.”
So, nothing to LOL about, it's olo.

Supposedly, the picture/image below is a reasonable facsimile. 



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