LH-1310 – Laser HOOTS 1310 SM laser talk set- OWL

Optical Wavelength Laboratories (OWL)

The Dual OWL is a cost effective, compact, handheld light source. The temperature compensated outputs are calibrated to couple -20dBm of optical power into multimode fiber. The light source comes installed with an 850 nm LED source. The source has an intuitive two-button interface – one button for turning the unit ON or OFF and the other for wavelength selection. LED indicators highlight the selected source and verify that battery power is sufficient to maintain the calibrated output power.

Dual OWL series fiber optic light sources offer exceptional value at an economical price. These LED-based sources provide the fiber optic installer with a stable output when testing multimode fiber optic runs. The Dual OWL 850 offers the fiber optic professional with a simple, yet affordable, option for testing multimode fiber links at 850nm, and can be easily upgraded to include a 1300nm source


Available on backorder



Offers secure communications that is immune to electromagnetic interference
Automatic volume control
Wide receiver dynamic range of -10 to -30 dBm
Doubles as a stable, temperature compensated 1310 single mode laser light source with -10.0 dBm output power
Long battery life (>25 hours)
Low battery indicator
Signal level indicator
Headphone jack doubles as the power switch



HOOTS stands for High Output Optical Talk Set. This laser based talk set also serves as a calibrated -10 dBm light source. It uses our laser light source technology to convert your voice into optical signals. The Laser HOOTS is a reliable alternative to wireless communications systems. It offers both security and electromagnetic immunity.

We designed the Laser HOOTS to be economical in order to be sold as an alternative to walkie-talkies. Optionally, they can be embedded as a permanent part of a fiber network installation. Use it during the installation for end-to-end voice communications. After installation leave it attached to a pair of dark fibers inside the fiber patch panel. This way, the Laser HOOTS can be used by communications personnel any time operations or management functions need to be done in the fiber cable closet.

There are several advantages to using a fiber talk set versus walkie talkies. The first advantage is when communications personnel are setting up voice or data optical equipment, they may give away passwords and secret net addresses over un-secure walkie-talkie channels to a nearby neighborhood of listening ears!

The second advantage is that the Laser HOOTS provides longer distance communications than cheap walkie-talkies from the local discount stores.

Finally, wireless communications is difficult when working under ground and the electrical noise and walls in many plants drown out radio signals. Fiber communications is more secure and most of all, immune to the effects of EMI/RFI.



Receiver Dynamic Range -10 to -30 dBm
Source Power Initial Accuracy -10 dBm into 9um +/- .10dB @ 25 C
NIST traceable calibrated wavelengths  1310nm
Center Wavelength 1310nm +/- 30nm
Spectral Width 2nm @ 1310nm
Dimensions 4.94 x 2.75 x 1.28 in

Conforms to the Harmonized European Standards EN 61326-1 and EN 61010-1.

Additional information

Dimensions 4.94 × 2.75 × 1.28 cm


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