Preparation method of magnetic surface strength laman scattering mark

Preparation method of magnetic surface strength laman scattering mark

A method for preparing Roman scattering mark with intensified magnetic surface includes utilizing 2x10-3 M of sodium borate solution and 10-3 M of silver nitrate solution under ice bath condition to obtain magnetic SERS active substrate, selecting chemical molecules with larger Roman scattering sections as SERS report molecules, separating magnetic SERS active substrate labeled with SERS report molecules from solution by centrifugal and adding o.1M of sodium chloride solution as per volume ratio of 3:1-10:1 for obtaining magnetic SERS mark.

Polymer waveguide tight switch array based on array waveguide grating structure

Preparation method of function surface strength laman scattering probe

A method for preparing functional Roman scattering probe with intensified surface includes mixing 10-5 M of sensitive material using (-NH2) as PH sensitive group with silver glue solution in volume ratio of 3:1000-300:1000 uniformly then adding o.1M of sodium chloride solution in as per volume ratio of 3:1-10:1 for obtaining functional Roman scattering probe in size of 20-50nm with intensified surface.

Composite structure of fibre optical Bragg grating temperature sensor and producing method thereof

A transducer composite structure is composed of metal sleeve, optical fibre cladding layer and optical fibre core with Bragg grating. it is featured as using epoxy resin to connect optical fibre cladding layer with sleeve, reducing sectional area of partial optical fibre cladding layer containing Bragg grating to be micro times of original one as 0 Подробнее

Low-crosstalk organic polymer waveguide optical switch

The invention discloses a low-crosstalk organic polymer waveguide switch and relates to a low-crosstalk termooptical waveguide switch device. All waveguide structures are embedded in a cladding (18). The input end of a Mach-Zehnder interference waveguide structure (12) is connected with the output end of an input waveguide (11). Two output ends of the Mach-Zehnder interference waveguide structure (12) are connected with the input end of an output waveguide (13) and the input end of an output waveguide (14) respectively. The top of the Mach-Zehnder interference waveguide structure (12) is provided with a first metal membrane thermode (15). The top of the output waveguide (13) is provided with a second metal membrane thermode (16). The top of the output waveguide (14) is provided with a third metal membrane thermode (17). The device controls the first metal membrane thermode (15) and the second metal membrane thermode (16) through current respectively or controls the first metal membrane ...