Exfo IQS-2600B Tunable Laser Source for IQS Platforms Manual do Utilizador descarregar pdf (Página 73)

Technical Specifications

Tunable Laser Source 67

WAVELENGTH

Range (nm) 1510 to 1612

Display resolution (pm) 1

Effective spectral linewidth FWHM

(GHz) 1.3 (typical)

Repeatability

(pm) 10 measurements ±2.5 (6 = 5)

Stability

(pm) 1 hour ±6 (6 = 12)

Uncertainty

(pm) ±15

Sweep rate

(nm/s) Maximum 50

Minimum 2

Tuning time

(ms) 75 (typical)

Notes

a. Speciﬁcations are valid at 23 °C ± 1 °C after one-hour warmup time.

b. FWHM: full width at half maximum. The speciﬁcation is valid at 1580 nm, where

it corresponds to 12 pm.

Given in HR mode.

Typical 700 MHz at 1610 nm and 2 GHz at 1520 nm.

Linewidth is Gaussian-like and produces a coherence length of about 15 cm

when propagating into SMF-28 ﬁber type.

c. Expressed as ± half the difference between the maximum and

minimum values measured.

d. User calibration may be required.

e. Operating in continuous sweep.

f. 1 nm step, one complete step through GPIB in manual mode with FLS-2600B.

g. In normal mode. Operating in high-resolution mode (HR) typically reduces power level

at extreme wavelengths, therefore shortening the tuning range by a few nanometers.

h. At connector output of the source.

i. In the 1515 nm to 1610 nm range.

SSE: source spontaneous emission

RBW: spectral resolution bandwidth

j. ALC: Automatic level (or power) control.

k. For 1 dB step 10 % to 90 % response time.

POWER

Output power

g, h

(dBm) From 1515 nm to 1610 nm * 0

From 1510 nm to 1612 nm * —10

Stability

(dB) 15 minutes ±0.005 (6 = 0.01)

1 hour ±0.01 (6 = 0.02)

Repeatability for a wavelength change

(dB) 10 measurements ±0.015 (6 = 0.03)

Signal to SSE

g, i

(dB) From 1515 nm to 1610 nm * 75 (typical)

±1 nm from peak with RBW 0.1 nm From 1550 nm to 1610 nm * 80 (typical)

Signal to total SSE (dB) * 45

50 (typical)

INTERNAL VARIABLE ATTENUATOR

Attenuation range (dB) 10

Linearity with attenuation (dB) ±0.3 (typical)

Repeatability for speciﬁc wavelength

(dB) ±0.005 (6 = 0.010) (typical)

Response time

(s) 0.5 (typical)

1 2 ... 68 69 70 71 72 73 74 75 76 77 78 ... 141 142

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