Human flesh is opaque. As any good dictionary will tell you, that means it has the quality of “not transmitting light; being impenetrable to sight.” Well, forget that: scientists now can use light to see inside objects that were traditionally off-limits to the human eye—including our bodies.
Of course it’s already possible to use X-rays, MRI, ultrasound and the like to peer inside human beings, but results are never as crisp and clear as those acquired using visible light imaging. Not only that: optical wavelengths also interact with organic molecules—the one we’re made of—so visible light could also contain vital information about the tissue it travels through. It might reveals abnormalities in cells, say, or use information about bodily functions—something that other imaging techniques, such as MRI, resort to complex chemical tracers to achieve. And, perhaps most importantly, it’s also non-ionising, which is to say that, unlike X-rays and CT scans, it doesn’t increase cancer risk at the intensities used for imaging.
The international year of light is a global initiative to increase awareness and education on the many ways light effects our world. Rochester, being a huge player in the world of optics, has a great website if you want to get involved in activities surrounding the international year of light. Check out the site: Roc the YOL
A new contact lens is being developed by Dr. Eric Tremblay (a designer) from the Swiss Federal Institute of Technology that may help people see that suffer from age-related macular degeneration. The contact lens features an inbuilt telescope. Read more here
50 Ways Light-based Technologies Enrich Our World- a book published by SPIE in honor of the International Year of Light #iyl2015
SPIE is sharing a very special book that celebrates light this year at Photonics West 2015.
2015 was designated the International Year of Light and Light-Based Technologies by the United Nations and UNESCO in late 2013. (IYOL)
The SPIE published book, Celebrating Light, 50 Ways Light-based Technologies Enrich Our World, is a must-have. As John Dudley, steering committee chair for the International Year of Light says in his forward, “The volume celebrates a selection of 50 applications of light that have made the world a better place. A central message of the wonderful book is that light science and photonics technologies provide a remarkable range of solutions to the challenges that the world faces today.”
If you are lucky enough to see one of these books, grab it. You can still get one at SPIE’s IYOL Booth in the concourse.
Congratulations to Kathy Sheehan and SPIE staff who put this…
View original post 8 more words
There are many types of thickness measurement- one of those being ultrasonic thickness measurement. Ultrasonic thickness measurement has many benefits, but falls short in a few critical areas where optical thickness measurement excels. Here are the details:
Give us a call if you have any questions about the specifics of how the OptiGauge can help solve your thickness measurement challenges- 585.214.2455 or email firstname.lastname@example.org
One of our rock-star engineers, Clark, sent me this video today because he thought it was really interesting- it shows how fiber optics are made. I’d have to agree that it is a pretty fascinating video.
This video was featured on the Discovery Channel’s “How It’s Made” television series in an episode about fiber optics. In this particular episode, employees take the viewer on a guided tour of the Browning, Texas Corning plant where fiber optics are manufactured.
One of the most prevalent measurement devices in a medical balloon or catheter manufacturing facility is the micrometer gauge. It is simple and inexpensive. But, this measurement technique is subject to a high degree of operator variability. Another limitation is that it measures total thickness only, and not the actual individual wall thickness. Furthermore, a micrometer compresses the measured part, and must, by design, come into contact with the material. The micrometer does not provide engineers with the precise and detailed information they need to develop and improve production processes. What other issues are there? Read More