KEITHLEY 2520 REPAIR and KEITHLEY 2520 CALIBRATION

 
Custom-Cal has a high success rate in the repair of the KEITHLEY 2520. A calibration by Custom-Cal is performed by engineers with extensive OEM experience. We have the expertise and the necessary standards to perform the KEITHLEY 2520 Calibration, onsite calibration may be available. We specialize in quick turnaround times and we can handle expedited deliveries upon request.

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   KEITHLEY 2520   Description / Specification:    
KEITHLEY 2520 Pulsed Laser Diode Test System

The Keithley 2520 Pulsed Laser Diode Test System is an integrated, synchronized system for testing laser diodes early in the manufacturing process, when proper temperature control cannot be easily achieved. The Model 2520 provides all sourcing and measurement capabilities needed for pulsed and continuous LIV (light-current-voltage) testing of laser diodes in one compact, half-rack instrument. The tight synchronization of source and measure capabilities ensures high measurement accuracy, even when testing with pulse widths as short as 500ns. Specifications: Pulse Laser Diode Test System w/ Remote Test Head: Integrated solution for in-process LIV production testing of laser diodes at the chip or bar level. Sweep can be programmed to stop on optical power limit. Programmable pulse on time from 500ns to 5ms up to 4% duty cycle. Pulse capability up to 5A, DC capability up to 1A. 14-bit measurement accuracy on three measurement channels (VF, front photodiode, back photodiode). Measurement algorithm increases the pulse measurement's signal-to-noise ratio. Up to 1000-point sweep stored in buffer memory eliminates GPIB traffic during test, increasing throughout. Digital I/O binning and handling operations IEEE-488 and RS-232 interfaces.



 

Standard Calibration $295.00 *
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*This is a Web introductory price for one calibration of the KEITHLEY 2520. Price does not in most cases include measurement performance data. Pricing does include NIST traceable calibration and issue of a calibration certificate and calibration label. Pricing may vary slightly due to volume and location of laboratory supporting calibration. Volume pricing may apply. On-site fees may apply depending on logistics, location and volume of work to be completed during the visit.


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

Bandwidth
Bandwidth is the difference between the upper and lower frequencies in a contiguous set of frequencies within which a fiber optic component, link or network will operate.

Extinction Ratio (ER)
Extinction Ratio is the ratio of two optical power levels, of a digital signal generated by an optical source, (example a laser diode), where P1 is the optical power level generated when the light source is "on," and P0 is the power level generated when the light source is "off." The extinction ratio may be expressed as a fraction, in dB, or as a percentage.

Optical Signal-to-noise Ratio (OSNR)
Optical Signal-to-noise ratio is the ratio between the signal power and the noise power in a given bandwidth. Most commonly a reference bandwidth of 0.1 nm is used. This bandwidth is independent from the modulation format, the frequency and the receiver. For instance a OSNR of 20dB/0.1nm could be given, even the signal of 40 GBit DPSK would not fit in this bandwidth. OSNR is measured with a Optical Spectrum Analyzer. It is generally measured at the wavelength of interest.

Repeatability
Repeatability is the variation in a number of repeated measured quantities when measurement conditions are changed and restored. The value corresponds to half the spread between the minimum and maximum value measured.

Wavelength Repeatability
Wavelength Repeatability is the random uncertainty in reproducing a wavelength after detuning and re-setting the wavelength. The wavelength repeatability is ± half the span between the maximum and the minimum value of all actual values of these wavelengths. Example test condition: uninterrupted TLS output power, constant power level, temperature within operating temperature range, coherence control off, short time span. Note: NOTE The long-term wavelength repeatability can be obtained by taken the wavelength repeatability and wavelength stability into account.


Please contact us for your KEITHLEY 2520 REPAIR and/or KEITHLEY 2520 Pulsed Laser Diode Test System CALIBRATION

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