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.

Absolute Wavelength Accuracy
Absolute Wavelength Accuracy is the maximum difference between the actual wavelength and the displayed wavelength of the Optical Source. Wavelength is defined as wavelength in vacuum.

Decibel (dB)
A unit of measurement of optical power which indicates relative power. A -10 dB means a reduction in power by 10 times, -20 dB means another 10 times or 100 times overall, -30 means another 10 times or 1000 times overall and so on.

Nanometer (nm)
A unit of measure used to measure wavelength of light, meaning one one-billionth of a meter

Relative Intensity Noise (RIN)
Relative intensity noise (RIN), describes the instability in the power level of a laser. The noise term is important to describe lasers used in fiber-optic communication and LIDAR remote sensing. It is the square of the (spectrally resolved) RMS optical power amplitude divided by the measurement bandwidth and the square of the average optical power, expressed in dB/Hz.

Total Return loss
In an optical fiber, the loss that takes place at any discontinuity of refractive index, especially at an air-glass interface such as a fiber endface, at which a fraction of the optical signal is reflected back toward the source. RL = - 10log10 (Preflected/Preference)

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