檢視 @DELAY PERIOD NUM 的原始碼

*Used when [[@DELAY_PERIOD_SW]] is .true.. Set the difference of long path and short path passing time in Mach-Zehnder Interferometer is [[@DELAY_PERIOD_NUM]] * [[@PULSE_PERIOD]].
*Is store as '''delay_period_num''' in the fortran code.

example
 @DELAY_PERIOD_NUM
 1

Which mean the difference of long path and short path passing time in Mach-Zehnder Interferometer is one pulse.