Calibration verification of Unit A with HeNe

Other spectra peaks are the LED and Fluorescent lighting in my shop HeNe emits at 632.8nm

Unit B Calibrated & tested with HeNe

The grating on this unit was adjusted to get deeper into the NIR HeNe emits at 632.8nm

Zoomed Peak of Unit A with HeNe Laser

HeNe emits at 632.8nm

Unit A with External Power supply

Reflected HeNe test spot

SMA Bulkhead Receptacle

Intended to interface a photo diode

Front Emitting Neon Lamp

Machining fitting to accept noen lamp

Test fit

Emission pattern from the Neon lamp

Emission after insertion

Good fiber output

Russian packaging for front emitting neon lamp

Pack of 100 lamps

Laser cut template

Laser cut test fit templates

Laser cut test fit-Fiber side

Laser cut test fit test-Power side

Machining power-side end cap