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Full specifications

CT440/CT440-PDL - optical component tester

Overview
Compact tester for fast and accurate characterization of passive optical components
CT440/CT440-PDL - optical component tester

Key features

  • Fast transfer function measurement
  • 1240–1680 nm wavelength range (SMF model)
  • PM and PDL options
  • 1–250 pm wavelength resolution
  • ±5 pm wavelength accuracy
  • 65 dB dynamic range in a single sweep

Applications

  • Photonic integrated circuit (PIC) testing
  • Wavelength selective switch testing
  • Optical filter testing

Specifications

Technical specifications
Models 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)
Operating wavelength range (nm) F (Full-band IL): 1240 to 1680; O (O-band PM IL) and PDL-O (O-band IL & PDL): 1260 to 1360; SCL (SCL-bands PM IL) and PDL-SCL (SCL-bands IL & PDL): 1440 to 1640
Wavelength accuracy – Absolute (pm) ±5
Wavelength accuracy – Relative (pm) ±1 (F, O, SCL models); ±5 (PDL-O, PDL-SCL models)
TLS inputs and outputs – Number of input ports 1 to 4 (SMF) for F; 1 (PM13) for O and PDL-O; 1 (PM15) for SCL and PDL-SCL
TLS inputs and outputs – Number of output ports 1 (SMF) for F, PDL-O and PDL-SCL; 1 (PM13) for O; 1 (PM15) for SCL
TLS inputs and outputs – Connector type FC/APC narrow key
TLS inputs and outputs – Polarization extinction ratio (PER) n/a for F; ≥20 dB for O and SCL; ≥18 dB (recommended) for PDL-O and PDL-SCL
Detector array – Number of detector ports 1, 2 or 4
Detector array – Connector type FC/PC wide key
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)
Power range – On TLS input (dBm) 0 to 10
Power range – On detector ports (dBm) –60 to 7
Transfer function – Accuracy (dB) ±0.2
Transfer function – Sampling resolution (dB) 0.02
Transfer function – Dynamic range 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) n/a for F, O, SCL models; ±0.05 + 4% PDL for PDL-O and PDL-SCL
Polarization-dependent loss – Measurement range (dB) n/a for F, O, SCL models; 0 to 20 for PDL-O and PDL-SCL
Polarization-dependent loss – Repeatability (dB) n/a for F, O, SCL models; ±0.05 for PDL-O and PDL-SCL
Sampling characteristics – Resolution (pm) 1 to 250 (F, O, SCL); 5 to 250 (PDL-O, PDL-SCL)
Sampling characteristics – Native sampling resolution N × 100 ±10 MHz (N = 1 to 250)
Sampling characteristics – Compatible sweep speed of TLS (nm/s) From 10 to 100
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 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
a. For a TLS sweep > 5 nm at sampling resolution of 5 pm for PDL-O and PDL-SCL and 1 pm otherwise, excluding the acceleration and deceleration part of the TLS sweep.
b. After wavelength referencing.
c. For incident power on detectors > –30 dBm. Accuracy: ±0.5 dB for power between –30 dBm and –60 dBm.
d. 1260 nm to 1640 nm.
e. If laser output power = 10 mW (dynamic range is proportional to laser output power).
f. For incident power on detectors > –30 dBm and determined from a 6-states measurement at 5 pm resolution.
g. Stable testing conditions, 6-states recommended for high PDL.
h. Selected frequency range of the laser divided by the native sampling resolution.
General specifications
Operating temperature 15 °C to 30 °C (59 °F to 86 °F)
Storage temperature –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 × H × D) 440 mm × 50 mm × 375 mm (17.3 in × 2 in × 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