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Laser Focus World magazine

@laserfocusworld.bsky.social

Global coverage of optics, photonics, and quantum advances, technologies, innovations, and applications Skeets brought to you by SC Johnson (no, not that one) www.laserfocusworld.com #optics #photonics #quantum #lasers #sensors #scisky

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Latest posts by laserfocusworld.bsky.social on Bluesky

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Right in time for #Halloween πŸŽƒ

Our VST has spotted a spooky bat flying over Paranal. But fear not, it's located 10,000 light-years away.

This "cosmic bat" is in fact a large cloud of gas. Let's fly through it in this video...if you dare! πŸ¦‡

Read more: https://www.eso.org/public/news/eso2518/
πŸ”­ πŸ§ͺ

31.10.2025 08:03 β€” πŸ‘ 34    πŸ” 11    πŸ’¬ 3    πŸ“Œ 1
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Spooky action at a distance? A look back on recent quantum work Here's a look back at three articles covering work involving quantum entanglement, which Albert Einstein famously viewed as β€œspooky action at a distance.”

Happy Halloween! πŸŽƒ
www.laserfocusworld.com/quantum/medi...
#quantum #entanglement #photonics #optics

31.10.2025 19:11 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Boron arsenide surpasses diamond, silicon in thermal conductivity Move over diamond and silicon, boron arsenide is an exceptional semiconductor and thermal conductorβ€”all rolled into one.

www.laserfocusworld.com/optics/artic...
#BAs #conductivity #semiconductor

31.10.2025 19:06 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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#PhotonicsHotList Friday! This week: New 3D display could bring glasses-free truly immersive experiences ... business news roundup ... and a breakthrough in optical thermodynamics πŸ‘» Check it out--> bit.ly/47xzxSh
@laserfocusworld.bsky.social

31.10.2025 14:22 β€” πŸ‘ 1    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
A person dressed up as a Cousa objective.

A person dressed up as a Cousa objective.

Happy Halloween!
pacificoptica.com/cousa/

31.10.2025 01:34 β€” πŸ‘ 4    πŸ” 1    πŸ’¬ 0    πŸ“Œ 1
Person standing on a boat pulling a large fishing net at sunrise over calm water.

Person standing on a boat pulling a large fishing net at sunrise over calm water.

Red and green beads splashing into clear water against a black background

Red and green beads splashing into clear water against a black background

People walking on a patterned stone pavement with long shadows cast by sunlight.

People walking on a patterned stone pavement with long shadows cast by sunlight.

Close-up of a colorful insect eye under a microscope with fine hair-like structures.

Close-up of a colorful insect eye under a microscope with fine hair-like structures.

Congrats to the 2025 #SPIE International Day of Light Photo Contest winners!

πŸ₯‡ Cao Thi Ngoc Diα»…m – "The Fisherman's Heart at Dawn"
πŸ₯ˆ Jun Ding – "Jade Beads out of Clear Water"
πŸ₯‰ Chico Lima – "Shadows"
πŸ”¬ Best in Science: Dan Curticapean and Pascale MΓΌller – "Compound Eye of the Fruit Fly"

30.10.2025 17:00 β€” πŸ‘ 0    πŸ” 2    πŸ’¬ 0    πŸ“Œ 0
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All-optical polarization encoding and modulation by nonlinear interferometry at the nanoscale - Light: Science & Applications We demonstrate polarization encoding of upconverted light with orthogonal polarization states into opposite diffraction orders of a metasurface, enabling all-optical tuning between linear and circular...

Pardon me for shamelessly advertising our recent work on nonlinear interferometry (by Yigong Luan supervised by Marco Finazzi, @vynisle.bsky.social, and myself at #PoliMi) also now featured on the homepage of πŸ’‘ Light: Science and Application. Article free to read at:
www.nature.com/articles/s41....

30.10.2025 14:31 β€” πŸ‘ 5    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
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Optical and electrical control of a silicon-based quantum device? Beyond being a source of single photons, dual optical and electrical control of nanophotonic devices may enable scaling up to larger systems of quantum emitters on a single chip...

Michael Dobinson at Simon Fraser University shares his cool quantum work with us...
www.laserfocusworld.com/quantum/arti...
#quantum #optics #lasers #emitters #silicon #scisky

30.10.2025 16:20 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
Top researchers consider leaving U.S. amid funding cuts: 'The science world is ending'
YouTube video by PBS NewsHour Top researchers consider leaving U.S. amid funding cuts: 'The science world is ending'

Well reported story on the PBS News Hour about science cuts and the ongoing and potential brain drain.

www.youtube.com/watch?v=yLvO...

Thanks to Terrance Tao and other scientists at various career stages for having the courage to speak out.

Watch and share!

1/7

30.10.2025 11:36 β€” πŸ‘ 191    πŸ” 101    πŸ’¬ 3    πŸ“Œ 5
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Pulses drive industrial innovation: Recent advances in commercial terahertz time-domain systems Terahertz time-domain spectroscopy has undergone a quiet evolution and is now moving from research labs onto production lines.

www.laserfocusworld.com/test-measure... by Emma Caldwell and Prince Bawuah of Menlo Systems GmbH
#specrtroscopy #terahertz

30.10.2025 14:24 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Al Nagler (1935–2025) Albert H. Nagler, a pioneer of telescope optics, passed away at the office of his company Tele Vue Optics on Monday, October 27th.

Albert H. Nagler, a pioneer of telescope optics, passed away at the office of his company Tele Vue Optics on Monday, October 27th. He was 90 years old.
skyandtelescope.org/astronomy-ne...
.
.
#astronomy #TeleVue

29.10.2025 18:11 β€” πŸ‘ 9    πŸ” 4    πŸ’¬ 0    πŸ“Œ 0
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Beyond the false binary: The PQC vs. QKD debate misses the point The real question is: Which combination provides balanced near-term capability, risk mitigation, and long-term strategic positioning for defense in depth? And for the photonics...

www.laserfocusworld.com/quantum/arti...
#quantum #photonics

29.10.2025 19:06 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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We are thrilled to announce that Alex Gaeta has been elected as the 2026 Optica Vice President!

Alex's experience covers nearly four decades of research in quantum, nonlinear photonics and volunteer service to Optica and the greater optics community.

Read more: https://bit.ly/49mrfz6

29.10.2025 00:13 β€” πŸ‘ 6    πŸ” 1    πŸ’¬ 0    πŸ“Œ 1
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PODCAST: Interview with Sargis Hakobyan, SPhotonix Episode 75 of Following the Photons: A Photonics Podcast features Sargis Hakobyan, an R&D team leader with SPhotonix.

www.laserfocusworld.com/podcasts/pod...
#photonics #quantum @jmurphoton.bsky.social

28.10.2025 20:57 β€” πŸ‘ 1    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
:Product: 3-Day Forecast
:Issued: 2025 Oct 27 1232 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#
A. NOAA Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 1 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Oct 27-Oct 29 2025 is 5.00 (NOAA Scale
G1).

NOAA Kp index breakdown Oct 27-Oct 29 2025

             Oct 27       Oct 28       Oct 29
00-03UT       1.33         4.00         4.33     
03-06UT       0.67         4.67 (G1)    5.00 (G1)
06-09UT       1.00         4.00         4.33     
09-12UT       1.33         4.00         3.67     
12-15UT       3.00         4.33         3.00     
15-18UT       2.67         5.00 (G1)    4.00     
18-21UT       2.67         4.33         4.67 (G1)
21-00UT       2.67         5.00 (G1)    4.00     

Rationale: G1 (Minor) conditions, with a chance for G2 (Moderate)
levels, are likely on 28-29 Oct due to the anticipated onset of
influence from a positive polarity coronal hole.

B. NOAA Solar Radiation Activity Observation and Forecast

Solar radiation, as observed by NOAA GOES-18 over the past 24 hours, was
below S-scale storm level thresholds.

Solar Radiation Storm Forecast for Oct 27-Oct 29 2025

              Oct 27  Oct 28  Oct 29
S1 or greater    1%      1%      1%

Rationale: No S1 (Minor) or greater solar radiation storms are expected.
No significant active region activity favorable for radiation storm
production is forecast.

C. NOAA Radio Blackout Activity and Forecast

No radio blackouts were observed over the past 24 hours.

Radio Blackout Forecast for Oct 27-Oct 29 2025

              Oct 27        Oct 28        Oct 29
R1-R2            5%            5%            5%
R3 or greater    1%            1%            1%

Rationale: No R1 (Minor) or greater radio blackouts are expected.  No
significant active region flare activity is forecast.

:Product: 3-Day Forecast :Issued: 2025 Oct 27 1232 UTC # Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center # A. NOAA Geomagnetic Activity Observation and Forecast The greatest observed 3 hr Kp over the past 24 hours was 1 (below NOAA Scale levels). The greatest expected 3 hr Kp for Oct 27-Oct 29 2025 is 5.00 (NOAA Scale G1). NOAA Kp index breakdown Oct 27-Oct 29 2025 Oct 27 Oct 28 Oct 29 00-03UT 1.33 4.00 4.33 03-06UT 0.67 4.67 (G1) 5.00 (G1) 06-09UT 1.00 4.00 4.33 09-12UT 1.33 4.00 3.67 12-15UT 3.00 4.33 3.00 15-18UT 2.67 5.00 (G1) 4.00 18-21UT 2.67 4.33 4.67 (G1) 21-00UT 2.67 5.00 (G1) 4.00 Rationale: G1 (Minor) conditions, with a chance for G2 (Moderate) levels, are likely on 28-29 Oct due to the anticipated onset of influence from a positive polarity coronal hole. B. NOAA Solar Radiation Activity Observation and Forecast Solar radiation, as observed by NOAA GOES-18 over the past 24 hours, was below S-scale storm level thresholds. Solar Radiation Storm Forecast for Oct 27-Oct 29 2025 Oct 27 Oct 28 Oct 29 S1 or greater 1% 1% 1% Rationale: No S1 (Minor) or greater solar radiation storms are expected. No significant active region activity favorable for radiation storm production is forecast. C. NOAA Radio Blackout Activity and Forecast No radio blackouts were observed over the past 24 hours. Radio Blackout Forecast for Oct 27-Oct 29 2025 Oct 27 Oct 28 Oct 29 R1-R2 5% 5% 5% R3 or greater 1% 1% 1% Rationale: No R1 (Minor) or greater radio blackouts are expected. No significant active region flare activity is forecast.

Map from NOAA titled showing North America and the North Pole with a color gradient overlay of aurora likelihood.

Map from NOAA titled showing North America and the North Pole with a color gradient overlay of aurora likelihood.

Map from NOAA titled showing North America and the North Pole with a color gradient overlay of aurora likelihood.

Map from NOAA titled showing North America and the North Pole with a color gradient overlay of aurora likelihood.

Aurora Forecast Update for 2025-10-27T19:04:01Z
Additional Details Here.

27.10.2025 19:04 β€” πŸ‘ 2    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0

I cannot tell you how many tech journalists at prominent media organizations do not understand this

27.10.2025 15:32 β€” πŸ‘ 7496    πŸ” 2141    πŸ’¬ 125    πŸ“Œ 40
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Introducing #AskTheExpert, @lumentum.bsky.social's video series on timely industry questions. In Episode 1, Christian Urricariet explains how #photonics enables a new approach to #DataCenters for scaling #AI infrastructure.

πŸ”— See more videos on our website: https://bit.ly/47pOHbZ

27.10.2025 16:53 β€” πŸ‘ 0    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
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Magnetic quantum materials meet photonics: Bridging predictability and surprise A van der Waals antiferromagnet, CrSBr, offers unprecedented magnetically driven control of optical properties and reveals how quantum materials could enable a new class of reconfigurab...

This is one of my favorite pieces of 2025.:)
www.laserfocusworld.com/quantum/arti...
#quantum #photonics #optics #magnetic

27.10.2025 14:54 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Solar energy is going to power the world much sooner than you think Solar electricity is growing rapidly, but can it really dominate the global energy system? Here is what it will take for us to power the planet on sunshine

The future of solar power is bright, finds @tinymaddie.bsky.social

*Solar panels are cheap, and getting cheaper
*Batteries are good, and getting better
*Economic case for solar will overwhelm political apathy

In short, we're going to run the world on sunshine

www.newscientist.com/article/2500...

23.10.2025 11:08 β€” πŸ‘ 142    πŸ” 56    πŸ’¬ 7    πŸ“Œ 9
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Photonics Hot List: October 24, 2025 In this episode: An imaging approach discerns tumors, the latest photonics business mergers and acquisitions, and a β€˜photonic crystal highway’ guides light forward on chips.

Happy Photonics Hot List Friday! w @jmurphoton.bsky.social and thanks everyone who presented or joined us for PhotonicsNXT!

www.laserfocusworld.com/home/video/5...
#photonics

24.10.2025 20:44 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Researchers led by JILA and NIST Fellow Jun Ye have shown how to make atomic clocks even more precise by leveraging entanglement. This allows the atoms to β€œtick” more in sync, reducing the randomness that usually limits how precisely we can measure time.

jila.colorado.edu/news-events/...

23.10.2025 16:35 β€” πŸ‘ 6    πŸ” 2    πŸ’¬ 0    πŸ“Œ 1
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Join us for one more day of LFW's PhotonicsNXT (24th).
If you missed it, you can always binge watch this weekend.;)

www.photonicsnxt.com/photonicsnxt...

24.10.2025 01:15 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Large triple-junction perovskite-perovskite-silicon tandem solar cell sets efficiency record Perovskites are pushing solar cell efficiencies beyond the limits of silicon alone. By re-engineering perovskite’s chemistry and triple-junction cell design, researchers set a...

www.laserfocusworld.com/optics/artic...
#perovskites #silicon #solar

24.10.2025 00:28 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Don't miss LFW's FREE PhotonicsNXT event this Thursday and Friday. We've got fabulous talks lined up for you.

Register today and we'll see you soon!

www.photonicsnxt.com/photonicsnxt...

21.10.2025 23:29 β€” πŸ‘ 0    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0

recent years have seen a race to the bottom over who can push the most Content, for the cheapest cost, maximized for algorithms and bulk. and it's decimated an entire generation of writers.

22.10.2025 16:05 β€” πŸ‘ 194    πŸ” 49    πŸ’¬ 5    πŸ“Œ 2
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Mode analysis of integrated optical devices for quantum applications Case study: An Italian National Institute of Nuclear Physics project team relies on laser measurement technology to analyze the output mode of an integrated quantum device.

www.laserfocusworld.com/quantum/arti...
#quantum #optics

22.10.2025 17:48 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
Monroe Community College Optics Lab tour. A woman is running an experiment/Photo by Justine Murphy

Monroe Community College Optics Lab tour. A woman is running an experiment/Photo by Justine Murphy

Cool shot from @jmurphoton.bsky.social on a tour of Monroe Community College's Optics Lab yesterday.

22.10.2025 17:46 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Don't miss LFW's FREE PhotonicsNXT event this Thursday and Friday. We've got fabulous talks lined up for you.

Register today and we'll see you soon!

www.photonicsnxt.com/photonicsnxt...

21.10.2025 23:29 β€” πŸ‘ 0    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
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NTT Research, Cornell, Stanford researchers create programmable nonlinear waveguide In our Q&A with Ryotatsu Yanagimoto, a research scientist for NTT Research Inc.’s Physics & Informatics (PHI) Lab, he shares details about a new programmable nonlinear waveguide...

www.laserfocusworld.com/quantum/arti...
#waveguides #nonlinear #optics #quantum #photonics

21.10.2025 23:05 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Optical devices based on thermodynamics? Researchers tap optical thermodynamics as a framework to understand and harness the self-organizing behavior of light within complex, highly multimode environmentsβ€”and discovered...

www.laserfocusworld.com/optics/artic...
#thermodynamics #optics #photonics

21.10.2025 22:44 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

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