letter orders
1.The Jie letter will take orders "come original at the society, dedicated to a society";The business enterprise principle of management of "conduct brand, set up famous brand and establish famous brand", whet Li more in the market competition of vehemence for strong, the Jie letter wishes to hold hands with social people of different walks of life and enter, create together brilliancy.
4.In this letter,based on the proposed concept of Moiré sampling Bragg grating(SBG),the equivalent chirp rates of various Fourier orders in a SBG with chirp in the sampling period is demonstrated for the first time via a simple novel experimental method using phase mask rotation and dual exposure technique.
