A calibration by Custom-Cal is performed by engineers with extensive OEM experience. We have the expertise and the necessary standards to perform the ILX LIGHTWAVE LDT-5525B Calibration, onsite calibration may be available. We specialize in quick turnaround times and we can handle expedited deliveries upon request.

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   ILX LIGHTWAVE LDT-5525B   Description / Specification:    
ILX LIGHTWAVE LDT-5525B 24W Thermoelectric Temperature Controller

The ILX Lightwave LDT-5525B is a precision; microprocessor based thermoelectric (TE) temperature controllers that deliver a low noise, bipolar constant current output of up to 4 Amps and 24W of heating or cooling power. These instruments close a precision temperature control loop through a variety of temperature sensors and display temperature from -99° C to 199° C or sensor resistance. The temperature controller topology, paired with a hybrid smart-integrator control loop result in fast settling times with a temperature stability of 0.004 C which is ideal for laser diode or optoelectronic component testing requiring stable wavelength and optical power.

Temperature Control Output.
Temperature Control Range: -99 to 199.9° C.
Temperature Setpoint Resolution: 0.1° C.
Temperature Setpoint Accuracy: ±0.2° C.
Short-Term Stability (1 hr): ±0.006° C.
Long-Term Stability (24 hr): ±0.01° C.

TEC Output.
Type: Bipolar current source.
Control Algorithm Smart Integrator, Hybrid PI.
Compliance Voltage: >6 V DC (@ 4A).
Maximum Output Current: 4.0 A.
Maximum Output Power: 24W.
Current Noise and Ripple: <1 mA rms.

Current Limit.
Current Limit Range: 0 - 4.04 A.
Current Limit Set Accuracy: + 50 mA.


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

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