Optical Return Loss (ORL) | Alker Fibre Optic Specialists

Optical Return Loss (ORL)

The ratio (expressed in dB) of optical power reflected by a component or an assembly to the optical incident power.
ORL is the ratio of the light reflected back from a device under test to the light launched into that device, usually expressed in dB.

Related Posts

Showcasing our innovative solution for the Military at DPRTE 2025

We are excited to announce that we’ll be exhibiting at DPRTE 2025! Where we’ll be showcasing…

read more

Deployable Armoured Cable Backpack

Introducing our range of deployable armoured cable reels with integral repair kits.  Solutions can be tailored…

read more

So the Speed of Light Never Changes?

Wrong! This only holds up in free space.  The speed of light slows down when it…

read more

Sign up for latest updates

Sign up to receive email updates on company and new product announcements, special promotions and more.

-->