# Formation of optical coupling structure between two ends of silica glass optical fibers by inserting tellurite glass melt

https://mdr.nims.go.jp/datasets/46bea2e9-f87a-424f-bfb3-895116d116a8

## File

- [ispgproc.pdf](https://mdr.nims.go.jp/filesets/a80ed2d7-415c-4ddd-9436-e2681fd6bcd7/download) ([Detail](https://mdr.nims.go.jp/filesets/a80ed2d7-415c-4ddd-9436-e2681fd6bcd7.md))

## Id

46bea2e9-f87a-424f-bfb3-895116d116a8

## Local identifier



## Visibility

open_to_public

## State

published

## Created at

2021-08-05T16:20:11.646526Z

## Updated at

2022-10-02T16:33:01.056786Z

## Published at

2021-08-13T18:56:54.637605Z

## Doi



## First published url

https://doi.org/10.1117/12.517310

## Date published

2003-07-16

## Recorded date published

2003-7-16

## Resource type

journal_article

## Manuscript type

authors_original

## Collection



## Title

- title: Formation of optical coupling structure between two ends of silica glass
    optical fibers by inserting tellurite glass melt
  title_type: original
  lang: en

## Description

- description: Several nano liters of tellurite glass melt (xTeO2 - (100 - x)ZnO,
    x = 80,90,100 in mol%) were inserted and quenched between tow ends of silica glass
    optical fibers to form a new optical coupling structure, whose length was several
    hundred microns. No visible precipitates were found even in the quenched melt
    of 100% TeO2. On the basis of reflection and insertion loss measurements and a
    bending test, it is proved that there’s no micro crystals in the quenched melt
    segment which cause light scattering and/or stress concentration. Few tens nano
    liters of the melt were also inserted into a silica glass capillary tube with
    the tube diameter of 125μm, in order to examine their tolerance to the residual
    stress induced on cooling due to the large gap in thermal expansion coefficient
    between the two glasses. Neither fracture nor bubbles were observed in the quenched
    melt inside if its length is less than 2mm. This implies that tellurite melt can
    be introduced into voids of sub-mm in size to integrate hybrid lightwave circuits.
  description_type: abstract
  lang: en

## Creator

- name: TODOROKI, Shin-ichi
  role: author
  orcid: https://orcid.org/0000-0003-3986-1900

## Contact agent



## Publisher

organization: SPIE

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## Keyword

- subject: thermal expansion coefficient
  schema: not_defined
- subject: insertion loss
  schema: not_defined
- subject: optical fiber
  schema: not_defined
- subject: tellurite glass
  schema: not_defined

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## Fileset

- id: a80ed2d7-415c-4ddd-9436-e2681fd6bcd7
  filename: ispgproc.pdf
  content_type: application/pdf
  size: 355848
  md5: 7d91d10273cb40dbe6dae4b59ebe257c

## Thumbnail

fileset_id: a80ed2d7-415c-4ddd-9436-e2681fd6bcd7
filename: ispgproc.pdf