EXFO OSA20 Optical Spectrum Analyzer (1250-1700 nm)

SPECIFICATIONS

Wavelength

+ Spectral range: 1250-1700 nm / 239.834-176.349 THz

+ Span range: 0.5 nm to full range (450 nm)

+ Linearity: 2σ a ±6 pm over 1500-1640 nm, ±20 pm over full range

+ Accuracy: 2σ a ±10 pm over 1500-1640 nm, ±25 pm over full range

+ Repeatability :2σ ±2 pm / 0.25 GHz at 1550 nm

+ Sampling resolution: 2 pm / 0.25 GHz at 1550 nm

+ Sampling points: 251 (span of 0.5 nm) to 225,001 (span of 450 nm)

+ Reference: Built-in ELED (safety class 1) + Acetylene cell (user calibration by patchcord)

Monochromator

+ Resolution bandwidth : 20 pm native (20 pm = 2.5 GHz), adjustable over 50–2000 pm with 1 pm step

+ Dynamic range (ORR):

≥ 30 dB (> 35 dB typ.) beyond ±50 pm from peak

≥ 50 dB (> 55 dB typ.) beyond ±100 pm from peak

≥ 60 dB (> 63 dB typ.) beyond ±200 pm from peak

+ Stray light suppression ratio : ≥ 73 dB

Optical power

+ Input power per channel:≤ 20 dBm

+ Total safe power: ≤ 25 dBm

+ Level sensitivity:

Single scan: High (0.5 nm/s): < –76 dBm (–78 dBm typ.)

With averaging(Avg Nb of scans) : High (0.5 nm/s): –80 dBm (Avg 3), –85 dBm (Avg 30), –90 dBm (Avg 380); –75 dBm (2 nm/s): –80 dBm (Avg 7), –85 dBm (Avg 70), –90 dBm (Avg 800)

+ Absolute level accuracy : ±0.4 dB at 1310 nm and 1550 nm

+ Level linearity : ±0.07 dB over the full range (input level –50 to 3 dBm)

+ Level/wavelength flatness : ±0.15 dB over 1500-1640 nm, ±0.25 dB over 1260-1680 nm

+ Level sampling: ±0.01 dB over –60 to 20 dBm

Sweep speed

+ Sensitivity : –55 dBm at 2000 nm/s to –75 dBm at 2 nm/s

+ Sweep cycle/100 nm: 300 ms typ.

+ Sampling rate: 1 MHz typ.

Optical interfaces

+ Optical input: SMF-28 type fiber

+ Calibration output: Wavelength reference (see above)

+ Connector of input and output: FC/APC or FC/PC or SC/APC or SC/PC

+ Return loss: > 38 dB (> 42 dB typ.) at 1310 nm and at 1550 nm (APC connector)

GENERAL SPECIFICATIONS

Environmental

+ Operating temperature: 5 °C to 35 °C (41 °F to 95 °F)

+ Performance guaranteed temperature: 18 °C to 28 °C (64 °F to 82 °F)

+Storage temperature: –10 °C to 50 °C (14 °F to 122 °F)

+Humidity: 80 % RH, non condensing

Physical and electrical

+Dimensions (W x H x D) :413 mm x 314 mm x 385 mm (16 ¼ in x 12 ⅜ in x 15 ⅛ in)

+Weight: 15 kg (33 lb)

+ Power supply: 48 V DC input, ≤ 75 VA (adapter 100-240 V AC, 50-60 Hz to 48 V DC provided)

+Screen: 12 inch capacitive touchscreen (res. 1024 x 768)

External devices

+ Screen: VGA Port (x1), DVI-D Port (x1), HDMI (x1)

+ Others (e.g., mouse, hard disk): USB 2.0-A (x4), USB 3.0-A (x2)

Remote interface

+ Ethernet (2x RJ45): 1 Gbit/s max.

+ GPIB (1x IEEE 488): 7.2 Mbit/s max.

+ USB (1x USB 2.0-B): 115 kbit/s max.

Triggers

+ In: Start scan (BNC, 5 V TTL), Gate in RLT mode

+ Out: Pulse on a user-defined span (BNC, 5 V TTL)

Data storage

+ Internal: 256 Go

+ External: FAT32, NTFS

+ File types: csv, binary, jpg, png

Datasheet