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Inside the laser diode (NICHIA NUBM44 / NUBM47)

Inside the laser diode (NICHIA NUBM44 / NUBM47)

I know that many of you dreamed to look inside the laser diode.

Today I made a few images of that.

This is NICHIA NUBM44 / NUBM47.

We use 1000X digital zoom

Inside the laser diode (NICHIA NUBM44 / NUBM47)
Inside the laser diode (NICHIA NUBM44 / NUBM47)
Inside the laser diode (NICHIA NUBM44 / NUBM47)

Structure

Inside the laser diode (NICHIA NUBM44 / NUBM47)
Inside the laser diode (NICHIA NUBM44 / NUBM47)

Endurance has made a measurement of the emitting area and we got results in microns (Height X Width): 35+-5% x 250+-5% uM.

Laser beam parameters for NICHIA NUBM44 / NUBM47 laser diodes

The diode with weak light. Corrupted crystal.

Inside the laser diode (NICHIA NUBM44 / NUBM47)
Anode wiring

Inside the laser diode (NICHIA NUBM44 / NUBM47)
Inside the laser diode (NICHIA NUBM44 / NUBM47)
Inside the laser diode (NICHIA NUBM44 / NUBM47)
Inside the laser diode (NICHIA NUBM44 / NUBM47)
Connecting wires to the crystal (top view)

Inside the laser diode (NICHIA NUBM44 / NUBM47)
Inside the laser diode (NICHIA NUBM44 / NUBM47)
3 layers: laser diode structure

Inside the laser diode (NICHIA NUBM44 / NUBM47)
Wires to the crystal.

Inside the laser diode (NICHIA NUBM44 / NUBM47)
Burnerd wires.

Inside the laser diode (NICHIA NUBM44 / NUBM47)
Sizes of the laser diode.

Inside the laser diode (NICHIA NUBM44 / NUBM47)
Size of emitting laser spot.

Inside a NICHIA NUBM47 (next model after NUBM44) laser diode

Good diode

Burned diode (burnt threads)

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Endurance lasers special deal

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