Category Archives: Optics

#365 papers, part 4!

I’ve joined a group of folks on Twitter who have vowed to read roughly a paper a day for an entire year, and will summarize my reading here occasionally.  Part 1 can be read here, part 2 can be read … Continue reading

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#365papers, part 3!

I’ve joined a group of folks on Twitter who have vowed to read roughly a paper a day for an entire year, and will summarize my reading here occasionally.  Part 1 can be read here, and part 2 can be … Continue reading

Posted in Optics | 1 Comment

Dr. SkySkull and the mystery of the subluminal superluminal light!

References in a scientific paper are supposed to answer questions, not raise them, but sometimes they inadvertently create a minor mystery for the reader.  A few weeks back, I blogged about the curious phenomenon of subluminal vacuum beams of light, … Continue reading

Posted in ... the Hell?, Optics | 4 Comments

#365 papers, part 2!

I’ve joined a group of folks on Twitter who have vowed to read roughly a paper a day, and will summarize my reading here occasionally.  Part 1 can be read here.  Links are provided for those with university access who … Continue reading

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So what’s up with that “slower than light” light?

Over the years, there has been a lot of hype about the possibility of “superluminal” light: namely, light than can travel faster than the vacuum speed of light meters/second, which is overwhelmingly considered the absolute speed limit of the universe.  I’ve talked … Continue reading

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Null-field radiationless sources: even more invisible than invisible?

I spend a lot of time talking about invisibility on this blog, as it is a subject near and dear to me: I did my PhD work, completed in 2001, on early historical forms of invisibility.  I like to tell … Continue reading

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Nobel Prize roundup: It’s all about the optics!

This week, the Nobel Prizes for Physics and Chemistry were announced, and it was a photonics two-fer!  The physics prize went to Isamu Akasaki, Hiroshi Amano, and Shuji Nakamura “for the invention of efficient blue light-emitting diodes which has enabled bright and energy-saving white … Continue reading

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