Low light, high-heat emitting device.

[Michael Koehmstedt]

Hi,
I'd like the build a battery powered, hand-held device that is capable
of emitting a light burning in the range of 250-350 degrees F. The less
visible light, the better (but without eliminating it completely).

The plan is to add magnifying lenses so that the output beam is small
(3/4" or less) so precise work can be done. However, I'm not sure what
type of lens is best suited for this.

The application is a drawing device used to cut stencils in organic
materials with the freedom of a handheld device.

Thanks,
Michael Koehmstedt

 

[Clive Mitchell]

I'd like the build a battery powered, hand-held device that is capable
of emitting a light burning in the range of 250-350 degrees F. The less
visible light, the better (but without eliminating it completely).

The plan is to add magnifying lenses so that the output beam is small
(3/4" or less) so precise work can be done. However, I'm not sure what
type of lens is best suited for this.

The application is a drawing device used to cut stencils in organic
materials with the freedom of a handheld device.

Perhaps the crew of the Starship Enterprise can help point you in the
right direction. They used a similar device which I believe was called
a Phaser gun.

In reality, the nearest you are going to get to a device like this is a
carbon dioxide laser with a guiding arm. This would consist of a huge
box of transformers, stacked glass laser tubes and CO2 regulation
equipment. The arm consists of several tubular sections with swivel
joints that contain a mirror assembly for diverting the beam to the
point of work.

The risks of using a hand held device of this power are immense.

On the plus side the beam will probably be less than 1mm, but will
require an additional red laser for pinpointing.


For cutting applications also consider water jet molecular cutters.