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The green laser is visible every night and marks the route of the Greenwich Meridian across the Thames from the Royal Observatory.
It was a little misty on the Isle of Dogs side of the Thames that evening, so the clarity is not great, but it will give me an excuse to return :)
This is a panorama of three 20 second exposures stitched in CS6 and double processed in Lightroom 5.3.
This is what I got by pointing a Star shower motion laser Christmas light into my backyard on Massanutten Mountain.
Captured during a long exposure. Quite Unexpected!
Just playing around with a green laser, a prism and a bit of smoke... and once again proving that you can bend light with a piece of glass (but of course as photographers we all knew that!)
The Promontory, Singapore
Single RAW Files, Post processed with Lightroom 5.
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HDR set I Digital Blending set I Panorama set I Explored In & Out set I Olympus set
Kirby Street in London, taken on a specialty film from Revolog.
Nikon F4. Revolog Laser 200 35mm C41 film.
DDC-Health
Keeping active, even for a 14 yr. old dog is important. She loves to chase the laser light.
Thursday 18 August, Allgäu Public Observatory - Germany
As ESO tested the new Wendelstein laser guide star unit by shooting a powerful laser beam into the atmosphere, one of the region’s intense summer thunderstorms was approaching — a very visual demonstration of why ESO’s telescopes are in Chile, and not in Germany. Heavy grey clouds threw down bolts of lightning as I took timelapse photographs of the test for ESOcast 34. With purely coincidental timing I snapped this photograph just as lightning flashed. Although the storm was still far from the observatory, the lightning appears to clash with the laser beam in the sky.
Laser guide stars are artificial stars created 90 kilometres up in the Earth’s atmosphere using a laser beam. Measurements of this artificial star can be used to correct for the blurring effect of the atmosphere in astronomical observations — a technique known as adaptive optics.
The laser in this photograph is a powerful one, with a 20-watt beam, but the power in a bolt of lightning peaks at a trillion (one million million) watts, albeit for just a fraction of a second!
My appreciation and thanks to all of you for your comments awards and faves.
©2015, by Denis D'Arbela
The sun cut across the skyline like a laser and illuminated the low and fast moving cloud for about 3 minutes.
Red, Green and Blue laser combining throught dichroic filters to creat white light.
The white light is focalized in an optical fiber using a lens.
Exeprience realized by the BBright company.
What looks like a light sabre is actually a laser beam guided in its path through a hair-thin jet of water, in the same manner as conventional fibre optics.
This water jet provides a large ‘processing depth’, allowing parallel cutting of larger samples. Its water also serves to continually cool the cutting zone and efficiently remove cut material.
This Laser Microjet machine from Synova SA in Switzerland is being employed by cosine in the Netherlands to slice novel X-ray optics for ESA’s NewAthena space observatory to survey the hot, energetic Universe.
Energetic X-rays don’t behave like typical light waves: they don’t reflect in a standard mirror. Instead they can only be reflected at shallow angles, like stones skimming along water. So multiple mirrors must be stacked together to focus them. NewAthena will therefore employ ‘silicon pore optics’, based on the precisely-aligned stacking together of tens of thousands of mirror plates made from industrial silicon wafers, which are normally used to manufacture silicon chips.
This technology – developed by ESA, cosine and other partners – will enable the building of a 2.6 m diameter X-ray lens for NewAthena’s telescope. Production of these mirror modules has reached the demonstration stage and their mass production is now being prepared, to ready NewAthena for launch in 2037 as one of ESA’s major ‘Large class’ missions.
Credits: cosine
No Fireworks on Bass Lake due to drought conditions so instead we had a Laser Light Show. Venus and Jupiter showed up for the show!