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6 posts · Last used Aug 04

13 @13@2137.social
· 2mo ago
Yellow YAG Produces Powerful Pulses in Les’ Leftover Laser https://hackaday.com/2026/08/04/yellow-yag-produces-powerful-pulses-in-les-leftover-laser/ #LaserHacks #Cerium #NdCeYAG #NdYAG #Ndyaglaser #Pulselaser #Qswitch #Tattooremoval
Yellow YAG Produces Powerful Pulses In Les’ Leftover Laser
Hackaday

Yellow YAG Produces Powerful Pulses In Les’ Leftover Laser

[Les] likes lasing lasers, and who doesn’t? [Les] likes larger lasers than lots of folks, with his current project being an Nd:YAG (that’s Neodymium:Yttrium Aluminum Garnet) flash pumpe…

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13 @13@2137.social
· 2mo ago
Congratulations to the Frikkin Laser Winners! https://hackaday.com/2026/08/03/congratulations-to-the-frikkin-laser-winners/ #Contests #LaserHacks #2026FrikkinLaserContest #Cyanotype #Laserrangefinder #Ramanspectrometer #Winners
Congratulations To The Frikkin Laser Winners!
Hackaday

Congratulations To The Frikkin Laser Winners!

Apparently you all love lasers just as much as we do. We put out a challenge to use, build, or otherwise abuse our favorite coherent light sources, and you responded. Some of the projects had been …

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13 @13@2137.social
· 2mo ago
2026 Frikkin Lasers Challenge: Measuring Nanometer-Scale Displacements with an Optical Cavity https://hackaday.com/2026/07/26/2026-frikkin-lasers-challenge-measuring-nanometer-scale-displacements-with-an-optical-cavity/ #LaserHacks #Fiberoptic #Interference #Interferometer #Laserdiode #Opticalcavity
2026 Frikkin Lasers Challenge: Measuring Nanometer-Scale Displacements With An Optical Cavity
Hackaday

2026 Frikkin Lasers Challenge: Measuring Nanometer-Scale Displacements With An Optical Cavity

Optical cavities – two mirrors arranged to reflect light multiple times between them – form the basis of lasers and certain optical filters. Since any angle between the two mirrors results in light…

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13 @13@2137.social
· 2mo ago
Cross-Sectioning Crickets with a Femtosecond Laser https://hackaday.com/2026/07/18/cross-sectioning-crickets-with-a-femtosecond-laser/ #LaserHacks #Science #Ablation #Crosssection #Femtosecondlaser #Scanningelectronmicrophone
Cross-Sectioning Crickets With A Femtosecond Laser
Hackaday

Cross-Sectioning Crickets With A Femtosecond Laser

Unlike most cutting lasers, femtosecond lasers don’t vaporize materials; rather, they produce such short, intense bursts of light that the affected region is ablated without having the chance to he…

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13 @13@2137.social
· 2mo ago
Printing Fungal Art with Laser Control https://hackaday.com/2026/07/12/printing-fungal-art-with-laser-control/ #LaserHacks #Science #Cellularautomaton #Convolutionalneuralnetwork #Fungi #Fungus #Laserdiode #Laserengraver #Neuralnetwork
Printing Fungal Art With Laser Control
Hackaday

Printing Fungal Art With Laser Control

Preservationists usually take great care to prevent fungi from appearing the world of art, but in the case of [Kexin Wang]’s Funguy project, the fungus itself is the art. It uses a laser diode to r…

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