Fiber-optic laser alignment at NTNU

Fiber-optic apparatus in NTNU’s laser-physics laboratory, photographed in April 2013. The visible red light is a helium-neon alignment laser; the fiber transports an invisible infrared beam. Archival context, not Sparrow Quantum or Welinq equipment.

Organization

NTNU

Image type

Photograph

Capture date

2013-04-26

Archival optical-laboratory context; not a new quantum networking installation.

Photographer / creator

Per Henning / NTNU

Reuse terms

CC BY 2.0

Per Henning / NTNU / CC BY 2.0

Full original composition retained. Proportionally resized and converted to WebP; no generative edits, retouching or overlays. Gallery thumbnail uses the full-frame 480-pixel rendition.