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Power Stability


Power Stability 

Power stability refers to the degree of instability of a laser's output power over a period of time, and it is usually divided into root-mean-square (RMS) stability and peak-to-peak (PP) stability.
 

Root Mean Square (RMS) Stability: The ratio of the RMS of all collected power (or energy) to the average power (or energy) over the test period, describing how much output power (or energy) deviates from the average.RMS Power Stability = Standard Deviation / Average Value.


Peak-to-peak stability is defined as the percentage difference between the maximum and minimum output power values relative to the average power, indicating the range of output power variation a period of time.

Peak-to-Peak Stability =(P Max -P min )/P Mean ×100% 


High Stability Laser

High Stability Lasers are one of the core engines driving modern precision science, cutting-edge technologies, and high-end manufacturing. Their applications continuously propel humanity forward in exploring the laws of nature, advancing technological capabilities, and improving quality of life. Currently, they are widely used in the quantum domain, titanium-sapphire pumping, flow cytometry, holography, interferometry, precision machining, PSD-based positioning sensing, and laser medicine.

High Stability DPSS Laser

High Stability Fiber Laser

High Stability Diode Laser


Measurement of Power Stability

Common devices for measuring laser power stability  include photoelectric and thermoelectric power meters. As a designer and manufacturer of laser systems, CNI offers laser power measurement instruments that feature a wide spectral range, high testing accuracy, and ease of use—perfectly meeting customers' practical needs for laser power measurement and analysis. For more details, please visit www.

532nm Power Stability (4 hours,<0.1%)