JP5161141B2 - 熱中性子に有感な蛍光ガラス線量計用ガラス及び蛍光ガラス線量計 - Google Patents
熱中性子に有感な蛍光ガラス線量計用ガラス及び蛍光ガラス線量計 Download PDFInfo
- Publication number
- JP5161141B2 JP5161141B2 JP2009055193A JP2009055193A JP5161141B2 JP 5161141 B2 JP5161141 B2 JP 5161141B2 JP 2009055193 A JP2009055193 A JP 2009055193A JP 2009055193 A JP2009055193 A JP 2009055193A JP 5161141 B2 JP5161141 B2 JP 5161141B2
- Authority
- JP
- Japan
- Prior art keywords
- glass
- dosimeter
- fluorescent glass
- fluorescent
- sensitive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Measurement Of Radiation (AREA)
Description
6Li:7Li=7.6:92.4で存在しており、このうち6Liは熱中性子吸収断面積が大きいために、熱中性子検出材料としてよく使われる。
(1)Tc+5℃から−1℃/minの速度でTc−60℃まで温度を下げる
(2)Tc−60℃から−2℃/minの速度でTc−110℃まで温度を下げる
(3)Tc−110℃から−10℃/minの速度で室温までゆっくりと冷却することにより蛍光ガラス素子を製作した。実証試験のために作製したRPLガラス素子の成分を表2に示す。
DH=D’S−DG …(2)
DS:熱中性子用蛍光ガラス素子20のRPL計数値
D’S:n+γ合計線量値
a:感度補正係数
DG:ガンマ線補償用蛍光ガラス素子22が示したガンマ線量値
DH:n線量値
12…蓋
20…熱中性子用蛍光ガラス素子
22…ガンマ線補償用蛍光ガラス素子
Claims (6)
- 銀活性りん酸塩ガラスに、熱中性子・アルファ線変換剤を添加してなり、放射線照射後に紫外光励起をすると波長500〜800nm領域の蛍光を放出し、蛍光の時間特性が熱中性子・アルファ線変換剤の濃度に依存しないことを特徴とする、熱中性子に有感な蛍光ガラス線量計用ガラス。
- 前記蛍光ガラス線量計用ガラスが、前記銀活性りん酸塩ガラスとして、メタりん酸ナトリウムを39〜52.4重量%、メタりん酸アルミニウムを37.4〜50.8重量%、塩化銀を0.14〜0.23重量%含み、前記熱中性子・アルファ線変換剤としてメタりん酸リチウムを1〜20重量%含むことを特徴とする、請求項1に記載の熱中性子に有感な蛍光ガラス線量計用ガラス。
- 請求項1又は2に記載の蛍光ガラス線量計用ガラスを備えたことを特徴とする、熱中性子に有感な蛍光ガラス線量計。
- 請求項1又は2に記載の蛍光ガラス線量計用ガラスと、熱中性子・アルファ線変換剤を含まないガンマ線補償用ガラスが並設されていることを特徴とする、熱中性子に有感な蛍光ガラス線量計。
- 前記ガンマ線補償用ガラスがリチウムを含有しないことを特徴とする、請求項4に記載の熱中性子に有感な蛍光ガラス線量計。
- 前記ガンマ線補償用ガラスが、天然同位体存在比を超えるモル濃度に7Liを凝縮したリチウムを含有することを特徴とする、請求項4に記載の熱中性子に有感な蛍光ガラス線量計。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009055193A JP5161141B2 (ja) | 2009-03-09 | 2009-03-09 | 熱中性子に有感な蛍光ガラス線量計用ガラス及び蛍光ガラス線量計 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009055193A JP5161141B2 (ja) | 2009-03-09 | 2009-03-09 | 熱中性子に有感な蛍光ガラス線量計用ガラス及び蛍光ガラス線量計 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010210336A JP2010210336A (ja) | 2010-09-24 |
JP5161141B2 true JP5161141B2 (ja) | 2013-03-13 |
Family
ID=42970674
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009055193A Expired - Fee Related JP5161141B2 (ja) | 2009-03-09 | 2009-03-09 | 熱中性子に有感な蛍光ガラス線量計用ガラス及び蛍光ガラス線量計 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5161141B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103077761B (zh) * | 2013-01-29 | 2015-08-05 | 中国工程物理研究院核物理与化学研究所 | 一种热中子荧光屏及其制备方法 |
JP7022386B2 (ja) * | 2018-03-20 | 2022-02-18 | 日本電気硝子株式会社 | 放射線検出用ガラスの製造方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5025352B1 (ja) * | 1966-06-17 | 1975-08-22 | ||
DE2731844C3 (de) * | 1977-07-14 | 1980-07-24 | Jenaer Glaswerk Schott & Gen., 6500 Mainz | Lithiumfreies, silberaktiviertes Alkali-ErdalkaU-Aluminlum Phosphatglas für die Radiophotolumineszenzdosimetrie mit verringertem Vordosiswert und erhöhter chemischer Resistenz |
JPH01167690A (ja) * | 1987-12-24 | 1989-07-03 | Toshiba Glass Co Ltd | 蛍光ガラス線量計用複合素子 |
JPH01173891A (ja) * | 1987-12-28 | 1989-07-10 | Toshiba Glass Co Ltd | 蛍光ガラス線量計 |
JPH03102284A (ja) * | 1989-09-18 | 1991-04-26 | Toshiba Glass Co Ltd | ガラス線量測定方法およびその測定装置 |
-
2009
- 2009-03-09 JP JP2009055193A patent/JP5161141B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2010210336A (ja) | 2010-09-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Duragkar et al. | Versatility of thermoluminescence materials and radiation dosimetry–A review | |
Huston et al. | Remote optical fiber dosimetry | |
US20070170396A1 (en) | Photostimulable glass ceramic | |
Yanagida et al. | A review and future of RPL dosimetry | |
Kaur et al. | Sm3+ and Gd3+ Co-doped lead phosphate glasses for γ-rays shielding and sensing | |
Al Helou et al. | Radioluminescence and optically stimulated luminescence responses of a cerium-doped sol-gel silica glass under X-ray beam irradiation | |
Baccaro et al. | Gamma irradiation calliope facility at ENEA–Casaccia research centre (Rome, Italy) | |
Iwao et al. | Ag-doped phosphate glass with high weathering resistance for RPL dosimeter | |
Isokawa et al. | Radiation-induced luminescence properties of Tb-doped Li3PO4-B2O3 glasses | |
US20100200741A1 (en) | Fluoroperouskite radiation dosimeters and storage phosphors | |
Ranchoux et al. | Fibre remote optoelectronic gamma dosimetry based on optically stimulated luminescence of Al2O3: C | |
Yanagida et al. | Phosphors for radiation detectors | |
Okada et al. | radiophotoluminescence (RPL) | |
Bell et al. | Neutron detection via the Cherenkov effect | |
Mittani et al. | Investigation of neutron converters for production of optically stimulated luminescence (OSL) neutron dosimeters using Al2O3: C | |
Diab et al. | Dosimetric behavior of modified borate bioglass containing copper for low photon dose measurements using luminescence characteristics | |
Göksu et al. | Beta dosimetry using thin layer a-Al2O3: C TL detectors | |
Aljewaw et al. | Physical, optical and thermoluminescence properties of lithium aluminum borate glass co-doped with Dy2O3 | |
JP5161141B2 (ja) | 熱中性子に有感な蛍光ガラス線量計用ガラス及び蛍光ガラス線量計 | |
Mohammed et al. | Impact of Zn2+ ions co-doping on the TL properties of Cu2+ ion-doped calcium lithium borate glass irradiated by various radiation sources | |
Leonard et al. | Scintillator glasses | |
El Mesady et al. | Thermoluminescent properties of some phosphor glasses based on aluminum oxide | |
Gou et al. | Novel environmental radiation dosimeter—Mn: CaF2 transparent glass ceramic: Dependence of thermoluminescence performance on slag addition and crystallisation behaviour | |
Bajaj et al. | An introduction to radio-photoluminescence and scintillation for dosimetric applications | |
Vij et al. | Thermoluminescence dosimetric properties of beryllium oxide |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20120201 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20121112 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20121120 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20121213 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5161141 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20151221 Year of fee payment: 3 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |