Lasing Rhodamine-6G with a TE nitrogen laser @knglaser

Lasing Rhodamine-6G with a TE nitrogen laser @knglaser

Uploaded November 2012 | Updated September 2026, 3 days ago

Pumping with tens of nanoseconds long pulses from the nitrogen (reduced pressure) laser, at 337nm. Focusing with a 20mm AR coated cylindrical lens onto a quarz cuvette filled with a solution of rhodamine 6g, should give ~580nm yellowish.

Lasing Rhodamine-6G with a TE nitrogen laser

Welding railway with thermite, Umeå Sweden

Kolfiber PVn slow motion start at Fällfors 2011

N2 laser pumping a dye cell

DIY Spot welder melting a nail

kittens and gyro 2

Playing with Silver Nitrate

Running the pulse jet on propane + E85 gopro blower edition

Sheet metal tig winning

First try at lfts chiptune project

First run of the new galvo rig

Steam engine drivning some stuff

Lasing Rhodamine-6G with a TE nitrogen laser