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ST815 Laser Source supplies high performance laser source for field test and lab project development. With features of durable structure, large LCD display with backlight and friendly operation interface, the ST815 advanced stability handheld optical light source provides a lot of convenience for your field work.

High stability of output power and quite stable output wavelength, it is an ideal instrument for optical network installation, trouble shooting, maintenance and other optical fiber related systems. It can be widely operated for LAN, WAN, CATV, remote optical network, etc.

Cooperate with ST800 series Optical Power Meter; it can distinguish fiber, test optical loss and connection, help to evaluate fiber transmission performance.

Key Features

Handhold, easy to operate.

Two to Four wavelength optional.

Continuous light, modulated light output.

Output double wavelength or three wavelengths through single tie-in.

Output three or four wavelength through double tie-in.

High stabilization.

Auto 10 minutes shut off function.

Big LCD, intuitive, easy to use.

LED backlight switch on/off.

Auto close back light in 8 seconds.

AAA dry battery or Li battery.

Battery voltage display.

Low voltage checking and shut off to save energy.

Automatic wavelength identification mode (with the help of corresponding power meter).


Key Tech Specifications

Emitter type


Output wavelength switch (nm)

ST815 Wavelength: 1310±20nm, 1550±20nm

ST815B Wavelength: 1310±20nm, 1550±20nm, 1490±20nm

ST815C Wavelength: 1310±20nm, 1550±20nm, 850±20nm, 1300±20nm

ST815D Wavelength: 1310±20nm, 1550±20nm, 1625±20nm

ST815E Wavelength:1310±20nm, 1550±20nm, 650±20nm

ST815 Multi Mode: 850±20nm, 1300±20nm

Spectral width (nm)


Output optical power (dBm)

≥-7, ≥0dBm(customized),650 nm≥0dBm

Optical Output Mode

CW continuous light

Modulization output: 270Hz, 1kHz, 2kHz, 330Hz

---AU automatic wavelength identification mode (It can be used with the help of corresponding power meter, red light doesn’t have automatic wavelength identification mode)

650nm red light:2Hz and CW

Power Stability (dB) (Short time)


Power Stability (dB) (Long time)


General specifications

Working temperature (℃)


Storage temperature (℃)


Weight (kg)


Dimension (mm)



2 pieces AA dry battery or Li battery, LCD display

Batteryworking duration (h)

dry battery about 15 hours

ST815 Laser Source Datasheet V3.1 (2).pdf
20190513180317272.pdf (146.12 KB)
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