APPARATUS AND METHOD FOR PRODUCING POROUS GLASS PREFORM

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

Apparatus and method for producing porous glass preform

Method for producing porous glass deposit for optical fiber

Method for manufacturing glass-fine-particle-deposited body and method for manufacturing glass base material

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

Method for manufacturing glass-fine-particle-deposited body and method for manufacturing glass base material

Apparatus and method for manufacturing optical fiber preform

Method and apparatus of producing optical fiber preform

Method for fabricating porous silica preform

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

Burner for fabricating optical fiber preform

Synthetic quartz glass substrate for excimer lasers and making method

Synthetic quartz glass substrate for excimer lasers and making method

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

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

Optical member made of silica glass, method for manufacturing silica glass, and reduction projection exposure apparatus using the optical member

Burner assembly for producing glass preforms and corresponding production process

Method for fabricating porous silica preform