国家/地区 中国（8） 韩国（3） 美国（3） 欧洲专利局（EPO）（2） 世界知识产权组织（2）
IPC部 G（12） C（3） H（2）
IPC大类 G02（12）
IPC小类 G02B（12） G02F（4） C09D（2）
G01N（2）
IPC G02B006/02（12）
发明人 ZHANG Y（2）
公开年 2021（12）
申请年 2020（9）  2021（3） 
专利权人

System for monitoring underground mines using fiber bragg grating (FBG) chemical sensor, has processor that sends data to user where user monitors value of gases based on data in real time through mobile applications.

RAGHUWANSHI S K, SINGH Y, PANDEY P S, SINGH M, KUMAR S, SHADAB A, KUMAR R, ANSARI T I M

Optical fiber with graphene-boron nitride heterogeneous structure used in e.g. nonlinear mode-locked laser, comprises optical fiber main body, graphene thin film, and boron-nitride thin film arranged on surface of optical fiber main body.

YU W, CHENG Y, LIU K, LIU Z

Graphene optical device used for transmission, reception, and modulation, has a graphene capacitor that is arranged between semiconductor upper layer and semiconductor lower layer, and arranged between first graphene and second graphene.

SUNG J, SUNG J W

Method for preparing optical fiber, involves filling heat dissipation adhesive layer at gaps between photo-resist bumps, coating graphene film on heat dissipation adhesive layer, removing photo-resist bump and protective portion, and heating end of glass rod and fused with graphene film.

HUI L, YANG G, ZHANG Y

Manufacture of polymer waveguide e.g. optical waveguide for passively mode-locked laser, involves forming cladding layer comprising polymer on substrate, removing portion of cladding layer to form groove for waveguide, and forming core accommodating dispersed graphene on groove.

RYU B, SONG Y, RYU B W

Polarization converter for use in optical device, has sub-wavelength grating structure comprising top section extending outwardly from top surface of waveguide core and lateral section extending laterally from side surface of core.

DERRICO A, ALESSANDRA B, BIGONGIARI A

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

Light detecting device for use in an optical system, comprises a light input device for receiving light, multiple waveguides extending from the light input device, and a first electrode and a second electrode are electrically connected to the graphene layer.

WHANG D, GU T, CHOI B, LEE E, KYEONG L E, CHOI B L, GU T J, WHANG D M, CUI B, HWANG T

Photoelectric detection function featured phase modulator, has opening whose edge is provided with micro-strip electrode, graphene film covered on opening of integrated area and micro-strip electrode, and PMMA film covered on graphene film.

YU J, ZHU W, ZHUO L, ZHANG Y, CHEN Z, ZHENG H, LI Z

Ultra-wideband dual-core photonic crystal fiber, has substrate material provided with double-core region, and annular gap formed between central medium hole and central outer medium hole, where central medium ring is filled with graphene.

ZOU H, DENG J, LIN N