Custom-Cal has a high success rate in the repair of the NOYES OLS4. A calibration by Custom-Cal is performed by engineers with extensive OEM experience. We have the expertise and the necessary standards to perform the NOYES OLS4 Calibration, onsite calibration may be available. We specialize in quick turnaround times and we can handle expedited deliveries upon request.

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   NOYES OLS4   Description / Specification:    
NOYES OLS4 850, 1300 LED / 1310, 1550 Laser Two-port Light Source

The AFL OLS4 two-port LED and LASER light source is designed for performing insertion loss measurements on multimode or single-mode fiber optic links when used with an optical power meter. The LED and LASER outputs are stabilized to ensure accurate test results per current TIA/EIA requirements.

MM Optical Port.
Wavelength :
  850 ±30 nm,
  1300 +30/-20 nm.
Spectral Width:
  45 nm (typ) (850 nm),
  120 nm (typ) (1300 nm).
Emitter Type: LED.
Safety Class: Class I FDA 21 CFR 1040.10 and 1040.11, IEC 60825-1: 2007-03.
Output Power: >-20 dBm, 62.5 μm multimode.
Output Stability: ±0.1 dB over 8 hours (after 5 minutes warm-up).
Tone Output: N/A.

SM Optical Port.
Wavelength :
  1310 ±20 nm,
  1550 ±20 nm.
Spectral Width: 5 nm (max).
Emitter Type: Laser.
Safety Class: Class I FDA 21 CFR 1040.10 and 1040.11, IEC 60825-1: 2007-03.
Output Power: 0 dBm, 9 μm single-mode.
Output Stability:
  ±0.05 dB over 1 hour (after 15 minutes warm-up),
  ±0.1 dB over 8 hours (after 15 minutes warm-up).
Tone Output: 2 kHz.


Related Optical Terms and Definitions. For a complete list go to our  Terms and Definitions Page.

Coherence Length
Average distance over which superimposed waves lose their phase relationships

Linewidth is the width of a spectral line in terms of wavelength, wave number and frequency.

Power Flatness Versus Wavelength
When changing the wavelength at constant power setting and recording the differences between actual and displayed power levels, the power flatness is ± half the span (in dB) between the maximum and the minimum of the measured power levels.

Spectral Width
Spectral Width is the wavelength interval over which the magnitude of all spectral components is equal to or greater than a specified fraction of the magnitude of the component having the maximum value. In optical communications applications, the usual method of specifying spectral width is the full width at half maximum. This is the same convention used in bandwidth, defined as the frequency range where power drops by less than half (at most -3 dB).

Telecom Bands
Optical fiber communications typically operate in a wavelength region corresponding to one of the following Bands. O Band (original): 1260–1360 nm. E Band (extended): 1360–1460 nm. S Band (short wavelengths): 1460–1530 nm. C Band (conventional): 1530–1565 nm. L Band (long wavelengths): 1565–1625 nm. U Band (ultralong wavelengths): 1625–1675 nm

Please contact us for your NOYES OLS4 REPAIR and/or NOYES OLS4 850, 1300 LED / 1310, 1550 Laser Two-port Light Source CALIBRATION

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