PRODUCTION METHOD FOR POROUS GLASS PREFORM, PRODUCTION METHOD FOR TRANSPARENT GLASS PREFORM, AND PRODUCTION APPARATUS FOR POROUS GLASS PREFORM

OPTICAL FIBER PREFORM AND METHOD OF MANUFACTURING OPTICAL FIBER PREFORM

DRIVE SYNCHRONIZATION FOR SOOT DEPOSITION MACHINE TO PREVENT STRUCTURAL FORMATIONS DURING DEPOSITION PROCESSES

ENHANCED PARTICLE DEPOSITION SYSTEM AND METHOD

APPARATUS FOR MANUFACTURING OPTICAL FIBER PREFORM AND METHOD FOR MANUFACTURING OPTICAL FIBER PREFORM

GLASS BASE MATERIAL PRODUCTION APPARATUS, GLASS BASE MATERIAL PRODUCTION METHOD, AND BASE MATERIAL PROFILE PREDICTION METHOD

Glass fine particle deposit and method for manufacturing glass preform

Manufacturing apparatus and manufacturing method of porous glass base material

DEVICE AND METHOD FOR PRODUCING FINE GLASS PARTICLE DEPOSITED BODY

LARGE-SIZED HOLLOW POROUS QUARTZ GLASS PREFORM AND METHOD OF MANUFACTURING THE SAME

GAS BRANCHING APPARATUS AND METHOD FOR MANUFACTURING FINE GLASS PARTICLE DEPOSITED BODY USING THE SAME

Enhanced particle deposition system and method

METHOD FOR PRODUCING GLASS PARTICULATE DEPOSIT, METHOD FOR PRODUCING GLASS PREFORM, AND GLASS PREFORM

Enhanced particle deposition system and method

Fabrication method and fabrication apparatus for porous glass base material for optical fiber

Fabrication method and fabrication apparatus for porous glass base material for optical fiber

METHOD AND APPARATUS FOR MANUFACTURING GLASS PREFORM

Optical fibers having a varying clad index and methods of forming same

Method for the defined separation of a glass layer on an inner wall of a preform and preform and communication system

Method for further processing of a glass tube semi-finished product including thermal forming

Method of manufacturing porous glass preform for optical fiber

Gas branching apparatus and method for manufacturing fine glass particle deposited body using the same

Method of manufacturing multi-mode optical fiber

Method for producing porous glass base material

Enhanced particle deposition system and method

Optical fibers and preforms with one step fluorine trench and overclad and methods for making the same

ISOTHERMAL PLASMA CVD SYSTEM FOR REDUCED TAPER IN OPTICAL FIBER PREFORMS

Optical fiber base material manufacturing method

Manufacturing method for SiO-TiObased glass and manufacturing method for photomask substrate made of SiO-TiObased glass

METHOD FOR PRODUCING CYLINDERS OF QUARTZ GLASS

Method for producing glass particulate deposit and method for producing glass preform

Method for manufacturing soot glass deposit body

PCVD method for manufacturing a primary preform for optical fibers

Quartz glass manufacturing method using hydrogen obtained by vaporizing liquid hydrogen

Large core multimode optical fibers

Production Method of Quartz Glass

Production of silica soot bodies

Method of manufacturing porous glass deposition body for optical fiber

Methods for making a graded-index multimode preform and fiber

Methods for producing optical fiber preforms with low index trenches

MANUFACTURING METHOD OF POROUS SILICA BODY, MANUFACTURING METHOD OF OPTICAL FIBER PREFORM, POROUS SILICA BODY, AND OPTICAL FIBER PREFORM

METHOD OF MANUFACTURING GLASS PREFORM

Optical fiber preform manufacturing method and optical fiber preform manufacturing device

TiO-containing silica glass and optical member for EUV lithography using high energy densities as well as special temperature controlled process for its manufacture

QUARTZ GLASS MANUFACTURING METHOD AND QUARTZ GLASS MANUFACTURING APPARATUS

Method for forming fused silica glass using multiple burners

Porous glass base material manufacturing method and gas flow rate control apparatus

Methods for making optical fiber preforms and microstructured optical fibers

Particle deposition system and method

Particle Deposition System and Method

Production method of quartz glass

Production method and device of optical fiber parent material

Method of manufacturing porous glass base material used for optical fibers, and glass base material

Vapor axial deposition apparatus and method for fabricating soot preform using the same

Optical fiber and method for fabricating same

Optical fiber base material and manufacturing method of the same

Method of producing porous glass preform for optical fiber

Vapor axial deposition apparatus and vapor axial deposition method

Vapor axial deposition apparatus and vapor axial deposition method

Method for manufacturing optical fiber preform and burner apparatus for this method for manufacturing optical fiber preform

Method of making glass base material

Method and apparatus for producing a glass body

Method for fabricating a multimode optical fiber preform having longitudinal uniformity

Method for manufacturing optical fiber preform and burner apparatus for this method for manufacturing optical fiber preform

Method of manufacturing glass particulate stacked body

Method for producing optical glass

Method of depositing glass soot

Method of forming optical fiber preforms

Substantially dry, silica-containing soot, fused silica and optical fiber soot preforms, apparatus, methods and burners for manufacturing same

Particle deposition system and method

Method and apparatus for depositing glass soot

Apparatus for preventing deflection of substrate tube

Method and apparatus for fabricating an optical fiber preform in ovd

Particle deposition system and method