The strongest pumping bands is a four level system of Nd: YAG laser at – McqOptions

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1.	The strongest pumping bands is a four level system of Nd: YAG laser at wavelength of range_________________
A.	0.25 and 0.56 nm
B.	0.75 and 0.81 nm
C.	0.12 and 0.23 nm
D.	1 and 2 nm
Answer» C. 0.12 and 0.23 nm

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