Leading North America Supplier - 20 Years of Innovation - Shipping Globally
Light Source with High Stabilization (Three Wavelengths)
Light Source with High Stabilization (Three Wavelengths)

GAOTek Three Wavelength Light Source with High Stabilization


Out of stock


The GAOTek Three Wavelength Light Source with High Stabilization is designed for the installation and maintenance of fiber optic cables. It can perform insertion loss measurements on single-mode fiber optic links when used with an optical power meter or test fiber optic cables when combined with fiber identifiers. This device has three wavelength outputs which originate from a single port and is equipped with a built-in optic isolator. It supports more than 16 hours of operation with a fully charged battery.

Key Features

  • 1~3 wavelengths output from one port
  • High stabilization, built-in optic isolator
  • 270 Hz, 1000 Hz, 2000 Hz Tone
  • Auto Wave ID output
  • Battery charge indication
  • Battery energy indication
  • Energy saving mode; if not used for more than 10 minutes the device will automatically power off
  • LCD display & backlight
  • Supports more than 16 hours of operation

Technical Specifications

Wavelength 850 nm & 1300 nm 1310 nm & 1550 nm 1310 nm & 1490 nm & 1550 nm
Stabilization* ±0.05 dB/1 hour; ±0.1 dB/8 hours
Output Power > -6 dBm @ 1310 nm/1490 nm/1550 nm/1625 nm
> -10 dBm @ 850 nm/1300 nm
Modulation 270 Hz, 1 KHz, 2 KHz
Connector FC/PC (or customize)
Auto Power Off No operation in 10 minutes (can be cancelled), Low battery energy
Battery Charge Yes
Operate Time Above 16 hours (1800 mAH battery)
Storage Temperature -4 °F–140 °F (-20 °C–60 °C) < 90 % RH
Operating Temperature 14 °F–122 °F (-10 °C–50 °C) < 90 % RH
Power Supply AA × 2 batteries or AC/DC power supply adapter
Size 6.29 in × 2.95 in × 1.25 in (160 mm × 75 mm × 32 mm)
Weight About 0.39 lbs (180 g)

*  After 5 minutes warm-up, 20±3 °C, CW, FC connector

Additional Information

Device Description



  • On/Off

Press “Power” key to turn on the device with auto power off.  Also press it for 2 seconds to shut the device. Press “Power” key for 2 seconds to turn on the device, the auto power off can be cancelled, the LCD will show “PERM”. Press it to turn on/off the backlight when device is on.

  • Wavelength Select: Press “”key for shifting the wavelength.
  • Modulation Select: Press “MOD” to select modulation: 270 Hz or 1 KHz or 2 KHz.
  • Wave ID: Press “ID” to output the laser with wavelength ID, the optical power meter which has WAVE ID function can change to the same wavelength automatically

Battery charge

  • First you must use the rechargeable batteries. When the energy is less than 20%, you should charge the batteries.
  • Using the device for a long time on low energy will lower the life of the batteries.
  • When charging, the battery charging indication will be on.
  • Don’t charge for more than 12 hours. If charging while using the device, the time will be longer.
  • The rechargeable batteries must be in device when you use the AC/DC adapter for charging.
  • Do not charge the non-rechargeable batteries, or the device will be destroyed.


This device can be used in:

  • LAN, WAN for the purpose of telecommunication networks;
  • CATV systems;
  • Long distance optical networks;
  • FTTH Testing.


Standard Carrying Bag 1
User’s Manual 1
Calibration Certification 1
Optional AC/DC Adapter 1


Questions from our customers

There are no questions yet. Be the first to ask a question about this product.

Only registered users are eligible to enter questions