dBm to W conversion
DBm and W are both units used to represent the absolute value of power: dBm is based on 1 milliwatt (mW), and W is based on 1W (1000mW):
1W = 10 × log₁₀(1000/1) = 30dBm
Generally speaking, dBm is used as a unit of optical communication power, and its range is very wide, from negative to positive values. dBm can be used to intuitively, conveniently, and accurately represent the absolute value of power. Common laser output powers range from a few mW to tens of mW, corresponding to dBm values between a few dBm and tens of dBm.
In the field of lasers, people are more accustomed to using pW, NW, mW, W, KW, MW and other watt units represent the size of laser power, with a difference of 1000 times between adjacent units.
ModuOptik can provide power meters for optical communication and laser measurement. If you need them, please contact our sales colleagues.
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