| SPECIFICATIONS |
| Model |
F
Full-band IL |
O
O-band PM IL |
SCL
SCL-bands PM IL |
PDL-O
O-band IL & PDL |
PDL-SCL
SCL-bands IL & PDL |
| Wavelength |
Operating wavelength range (nm) |
1240 to 1680 |
1260 to 1360 |
1440 to 1640 |
1260 to 1360 |
1440 to 1640 |
| Wavelength accuracy |
Absolute (pm) a, b |
±5 |
| Relative (pm) a |
±1 |
±5 |
| Optical ports (front panel) |
TLS inputs and outputs |
Number of input ports |
1 to 4 (SMF) |
1 (PM13) |
1 (PM15) |
1 (PM13) |
1 (PM15) |
| Number of output ports |
1 (SMF) |
1 (PM13) |
1 (PM15) |
1 (SMF) |
| Connector type |
FC/APC narrow key |
| Polarization extinction ration (PER) |
n/a |
≥20 dB |
≥18 dB (recommended) |
| Detector array |
Number of detector ports |
1, 2 or 4 |
| Connector type |
FC/PC wide key |
Electrical ports
(rear panel) |
Trigger out (5 V TTL) |
Swept measurement external synchronization (pulse train generated at native sampling resolution) |
| Trigger in (5 V TTL) |
Triggered measurement without laser sweep control (measurement is taken when TTL level = high) |
| Analog voltage in (0-5 V high impedance) |
Voltage level sampling from an external device (sampling resolution of 1.3 mV) |
| Optical power |
Power range |
On TLS input (dBm) |
0 to 10 |
| On detector ports (dBm) |
–60 to 7 |
| Transfer function |
Accuracy (dB) c, d |
±0.2 |
| Sampling resolution (dB) |
0.02 |
| Dynamic range d, e |
65 dB typical
for 1 or 2 TLS inputs
60 dB typical
for 3 or 4 TLS inputs |
65 dB typical |
| Polarization- dependent loss |
Accuracy (dB) f |
n/a |
±0.05 + 4% PDL |
| Measurement range g |
n/a |
0 to 20 |
| Repeatability |
n/a |
±0.05 |
| Sampling characteristics |
Resolution (pm) |
1 to 250 |
5 to 250 |
| Native sampling resolution |
N x 100 ±10 MHz (N=1 to 250) |
| Compatible sweep speed of TLS (nm/s) |
From 10 to 100 |
| Data handling |
Interface with PC / Data rate |
USB-B 2.0 / 4 MBaud |
| Maximum number of transfer function data points per TLS per detector as a function of number of activated detectors by software h |
260,000 for 1 detector
219,500 for 2 detectors
164,400 for 3 detectors
131,100 for 4 detectors
110,500 for 5 detectors |
| Environment |
Temperature |
Operating |
15 °C to 30 °C (59 °F to 86 °F) |
| Storage |
–10 °C to 60 °C (14 °F to 140 °F) |
| Relative humidity |
< 80 % non-condensing |
| Power supply |
AC 100 V to 240 V (50 Hz to 60 Hz) |
| Dimensions (W x H x D) |
440 mm x 50 mm x 375 mm (17.3 in x 2 in x 14.8 in), including rackmounting brackets |
| Weight |
Between 3.5 kg and 3.9 kg (7.7 lb to 8.6 lb), depending on model |
| MEASUREMENT SETUP |
| Tunable laser source (TLS) |
Remote control |
GPIB |
| Output power |
See CT440 specifications above |
| Sweep speed |
See CT440 specifications above |
| Mode hops |
No mode hop is best but the instrument is able to detect and still operates with a few mode hops |
| PC |
Operating system |
From Windows 7 to Windows 10 |
| Interfaces |
USB-A 2.0 port to CT440 and GPIB interface card to TLS |
