The heterodyning principle is well known in nonlinear optics as difference frequency generation (DFG).
在非线
光学领域,超外差原理就是著名的差频产
(DFG)
。
器The heterodyning principle is well known in nonlinear optics as difference frequency generation (DFG).
在非线光学领域,超外差原理就是著名的差频产(DFG)。
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