OTF-930 Optical Tunable Filter 0 pages

SANTEC OPTICAL INSTRUMENTS
Features
Applications
The OTF-930 is a polarization independent 80nm
tunable filter. Santec's unique "Linear Sliding"
technology enables precise, continuous wavelength
tuning with constant optical properties such as PDL,
bandwidth and insertion loss. A breakthrough in filter
design enables this device to achieve a very low
insertion loss. The instrument is designed to allow
filters to be cascaded to increase filter isolation with
minimal increase in insertion loss. A wide selection of
filters is available to suit most fiber optic applications.
80nm tuning range
Low insertion loss
Low PDL (<0.1dB) & PMD (<0.1ps) over whole
tuning range
0.01nm resolution
Full GPIB support
ASE Noise Suppression
When optical signals are amplified using EDFAs,
unwanted levels of amplified spontaneous emission
(ASE) can decrease the signal-to-noise ratio. The
OTF-930 with 08-S1, 08-S2 or 12-S2 filters can
remove the ASE noise with minimal loss.
Wavelength Channel Selection
The 03-S2 filter configuration is particularly
suitable for selecting a single DWDM wavelength
from a 100GHz grid. Other filters can be used to
select other ITU grid spaced signals.
Incoherent Light Source
When used in combination with a broadband light
source the OTF-930 can be configured as a tunable
light source. Although the output power is
relatively low (-30 to -20dBm) the incoherent light
is especially useful for applications which are
affected by coherent resonance effects or non-linear
interference.
Optical Tunable Filter
OTF-930
Principle of Operation
IN
OUT
GPIB
RS-232C
L1
L2
CPU
Communication
Interface
Display
PD
M1
Filter