Hybrid mid-ir-light transmitting fiber
OwnerShibin Jiang, Tao Luoinventors
Life of this patent
Estimating the term…
Abstract
A hybrid mid-infrared-light transmitting glass fiber comprising a non-oxide infrared-light transmitting glass core, non-oxide glass inner cladding, and an oxide glass external cladding. In certain embodiments, the hybrid mid-infrared transmitting glass fiber is configured as a single mode fiber at a specific wavelength. In certain embodiments, the hybrid mid-infrared-light transmitting glass fiber is configured a polarization maintaining single mode fiber at a chosen specific wavelength.
Claims9
A hybrid mid-infrared-light transmitting glass single mode fiber (SMF) comprising:
- a non-oxide infrared-light transmitting glass core with a V number of less than 2.405;
- a non-oxide infrared-light transmitting glass inner cladding with a thickness larger than 5 micron;
- and
- an oxide glass outer cladding;
- wherein transmission of said glass core exceeds 20% per meter of length;
- wherein materials of the core and inner cladding are selected from the group consisting of chalcogenide glass and fluoride glass.
A hybrid mid-infrared-light transmitting glass polarization maintaining single mode fiber (PM SMF) comprising:
- a non-oxide infrared-light transmitting glass core with a V number of less than 2.405 and transmittance exceeding 20% per meter length ;
- and
- a non-oxide infrared-light transmitting glass inner cladding with a thickness larger than 5 micron;
- an oxide glass outer cladding layer;
- two inserting stress rods inside of the oxide glass outer cladding layer of the fiber;
- an oxide glass outer cladding;
- and
- wherein materials of the core and inner cladding are selected from the group consisting of chalcogenide glass and fluoride glass.
A hybrid mid-infrared-light transmitting glass multimode fiber comprising:
- a non-oxide infrared-light transmitting glass core with a V number smaller than 2.405 and transmittance exceeding 20% per meter length;
- a non-oxide infrared-light transmitting glass inner cladding with a thickness larger than 5 micron;and
- an oxide glass outer cladding;
- wherein materials of the core and inner cladding are selected from the group consisting of chalcogenide glass and fluoride glass.
Dependencies are inferred from the claim text.