公开(公告)号：DE69528878D1

公开(公告)日：2003-01-02

申请号：DE69528878

申请日：1995-09-08

Applicant: CORNING INC

Inventor： QUINN RICHARD ALAN ,  SWAROOP LATHA IYENGAR ,  ROBSON CHRISTOPHER DAVID ,  WEIDMAN DAVID LEE

IPC: G02B6/28

Abstract: A method of making 1x2 or 2x2 overclad couplers, switches and the like such that the process is more reproducible and loss characteristics are improved. Such couplers are typically made by inserting the stripped portions of two active optical fibers (19,20) into a tube (10), heating the tube midregion to collapse it onto the fibers and stretching the central portion of the collapsed midregion to achieve the desired coupling characteristics. The improvement involves the insertion of one or two spacer (dummy) fibers (16) into the tube bore along with the active fibers to take up empty space that had been present in tube bore and to prevent an active fiber from sagging and crossing over the other fiber when the tube is heated during the tube collapse step.

公开(公告)号：DE4411943A1

公开(公告)日：1994-10-20

申请号：DE4411943

申请日：1994-04-07

Applicant: CORNING INC

Inventor： SEMPOLINSKI DANIEL RAYMOND ,  SWAROOP LATHA IYENGAR

IPC: C03B20/00 ,  C03B8/04 ,  C03B19/14 ,  C04B35/48 ,  C04B38/00 ,  C04B38/06 ,  C08G77/04 ,  C08G77/08 ,  F27D1/00 ,  C03C3/06 ,  C03B5/00

Abstract: A fired, porous, zircon refractory body consisting essentially of zircon and having a sodium ion content, as an impurity, of less than 30 ppm. A furnace for making fused silica constructed with a crown and cup of such zircon refractory, and a method of making fused silica using such furnace.

公开(公告)号：DE4411943B4

公开(公告)日：2006-05-18

申请号：DE4411943

申请日：1994-04-07

Applicant: CORNING INC

Inventor： SEMPOLINSKI DANIEL RAYMOND ,  SWAROOP LATHA IYENGAR

IPC: C03B20/00 ,  C04B35/48 ,  C03B5/00 ,  C03B8/04 ,  C03B19/14 ,  C03C3/06 ,  C04B38/00 ,  C04B38/06 ,  C08G77/04 ,  C08G77/08 ,  F27D1/00

Abstract: A fired, porous, zircon refractory body consisting essentially of zircon and having a sodium ion content, as an impurity, of less than 30 ppm. A furnace for making fused silica constructed with a crown and cup of such zircon refractory, and a method of making fused silica using such furnace.

公开(公告)号：AU3175595A

公开(公告)日：1996-04-18

申请号：AU3175595

申请日：1995-09-20

Applicant: CORNING INC

Inventor： QUINN RICHARD ALAN ,  ROBSON CHRISTOPHER DAVID ,  SWAROOP LATHA IYENGAR ,  WEIDMAN DAVID LEE

IPC: G02B6/28 ,  G02B6/36

Abstract: A method of making 1x2 or 2x2 overclad couplers, switches and the like such that the process is more reproducible and loss characteristics are improved. Such couplers are typically made by inserting the stripped portions of two active optical fibers (19,20) into a tube (10), heating the tube midregion to collapse it onto the fibers and stretching the central portion of the collapsed midregion to achieve the desired coupling characteristics. The improvement involves the insertion of one or two spacer (dummy) fibers (16) into the tube bore along with the active fibers to take up empty space that had been present in tube bore and to prevent an active fiber from sagging and crossing over the other fiber when the tube is heated during the tube collapse step.

公开(公告)号：AU700855B2

公开(公告)日：1999-01-14

申请号：AU3175595

申请日：1995-09-20

Applicant: CORNING INC

Inventor： QUINN RICHARD ALAN ,  ROBSON CHRISTOPHER DAVID ,  SWAROOP LATHA IYENGAR ,  WEIDMAN DAVID LEE

IPC: G02B6/28 ,  G02B6/36

Abstract: A method of making 1x2 or 2x2 overclad couplers, switches and the like such that the process is more reproducible and loss characteristics are improved. Such couplers are typically made by inserting the stripped portions of two active optical fibers (19,20) into a tube (10), heating the tube midregion to collapse it onto the fibers and stretching the central portion of the collapsed midregion to achieve the desired coupling characteristics. The improvement involves the insertion of one or two spacer (dummy) fibers (16) into the tube bore along with the active fibers to take up empty space that had been present in tube bore and to prevent an active fiber from sagging and crossing over the other fiber when the tube is heated during the tube collapse step.

公开(公告)号：CA2155292A1

公开(公告)日：1996-03-31

申请号：CA2155292

申请日：1995-08-02

Applicant: CORNING INC

Inventor： QUINN RICHARD ALAN ,  ROBSON CHRISTOPHER DAVID ,  SWAROOP LATHA IYENGAR ,  WEIDMAN DAVID LEE

IPC: G02B6/28 ,  G02B6/26 ,  G02B27/10 ,  G02B27/12 ,  G02B6/287

Abstract: A method of making 1 x 2 or 2 x 2 overclad couplers, switches and the like such that the process is more reproducible and loss characteristics are improved. Such couplers are typically made by inserting the stripped portions of two active optical fibers into a tube, heating the tube midregion to collapse it onto the fibers and stretching the central portion of the collapsed midregion to achieve the desired coupling characteristics. The improvement involves the insertion of one or two spacer fibers into the tube bore along with the active fibers to take up empty space that had been present in tube bore and to prevent an active fiber from sagging and crossing over the other fiber when the tube is heated during the tube collapse step.