B1385 Dual LD Light Source
The Appointech B1385 handheld single-head dual LD stabilized light source has output wavelengths
of 850 or 1310nm. The output power is highly stabilized by a proprietary circuit design. The operation
is very user friendly. After turning on with the ON/OFF switch, 1310nm wavelength and its output
power are shown on the LCD. The wavelength is selected by pressing the ג-key. The output power for
1310nm is preset at -3 dBm, and that for 850nm is -10 dBm. The output can be DC, or modulated
at 270Hz, 1KHz, or 2KHz by pressing the Hz-key, which is also shown on the LCD. When in Auto-Off
mode, as indicated by a power symbol with a cross on the LCD, the power will be shut off after about
10 minutes on-time for battery life, in case not in use for a prolonged time. To turn it back on, press
the ON/OFF switch again. The auto-off feature can be disabled by pressing the Auto-Off key, as
indicated by a power symbol without a cross. When the battery power is too low to assume proper
operation, an empty battery symbol is shown on the LCD display. The included rechargeable battery
works with a power adaptor of a USB connector, which is also included. When charging is in
OFF-mode, the indicator LED will be on until charging has been completed.
Features
Single-head selectable wavelength of 850 or 1310 nm
Ultra high output stability +/-0.05dB
Output power preset at -3 dBm for 1310nm, and -10 dBm for 850nm
Selectable CW, 270 Hz, 1KHz or 2KHz modulated output
Small size, easy for field applications
Light weight, less than 0.2Kg
Auto power shut-off can be disabled
Auto laser shut off at above 60๐C
Rechargeable battery, Battery-full and Battery-low indicator
Applications
Component measurements
Fiber network tests
Transmission loss measurement
Calibration of optical receivers
Material analysis and laboratory research
Specifications
Wavelength Central Spectral Width	850 and 1310 nm +/-20nm for FP LD <4 nm
Stability (1 hr)	+/-0.05dB
Power Output: (Into 9/125um Fiber)	-10dBm for 850nm, -3dBm for 1310nm
Power Output Uncertainty	0.5dB
Functions	ON/OFF (Power switch) ג (Wavelength select between 850 and 1310 nm) Hz (Modulated output mode) Auto shut off at 60๐C Auto shut off after 10 minutes turn-on time Auto shut off disabled Low battery power indication
Modulation Frequencies	270Hz, 1kHz or 2kHz
Optical Connector Interface	FC or ST or SC, adapter for other connector available
Power	Rechargeable Lithium battery, works continuously for 8 hrs after 2-hrs full charge
Environmental: Operation Temp. Humidity Storage Temp. Humidity	-15๐C to 50๐C, 0-95% RH (non-condensing) -35๐C to +70๐C, 0-95% RH (non-condensing)
Dimensions (Length x Width x Height)	16 x 7 x 3 cm (measured without case)
Weight (w/ batteries)	<0.2kg