国家/地区 中国（2）
IPC部 C（2）
IPC大类 G02（2）
IPC小类 G02B（2）
IPC
发明人 ZHANG H（2）
公开年
申请年 2021（2） 
专利权人

Preparing low-reflection graphene terahertz wave band sheet, comprises preparing oxidized graphene film, designing square Fresnel ring structure, and using laser direct writing technology to reduce the oxidation of graphene film.

ZHANG H, YANG Q, HUANG H, WU Y, LI Y, SUO Y, WEN Q

Long-period fiber grating sensor based on graphene oxide/cellulose acetate functionalization useful in sensing system for measuring concentration of ammonia gas, comprises long period grating probe connected to input fiber.

DING L, ZHANG H, XU B, HUANG J