摘要 : The analytical expressions for the complex degree of temporal coherence and coherence time of sech~2 pulses are derived. The complex degree of temporal coherence can be expressed by sech[πΔvτ/4 ln(1 + 2 ~(1/2)], and the product of... 展开 The analytical expressions for the complex degree of temporal coherence and coherence time of sech~2 pulses are derived. The complex degree of temporal coherence can be expressed by sech[πΔvτ/4 ln(1 + 2 ~(1/2)], and the product of coherence time and spectral width can be expressed by τ_cΔv = 0.56. 收起