ICS31.030

CCSQ65

中華人民共和國國家標準

GB/T45968—2025

量子信息用光學級近化學計量比

鈮酸鋰晶體

Opticalnearstoichiometriclithiumniobatecrystalusedinquantuminformation

2025?08?01發(fā)布2026?02?01實施

國家市場監(jiān)督管理總局

國家標準化管理委員會發(fā)布

GB/T45968—2025

目次

前言…………………………Ⅲ

1范圍………………………1

2規(guī)范性引用文件…………………………1

3術語和定義………………1

4要求………………………4

4.1外觀·················································································································4

4.2鋰含量··············································································································5

4.3晶向偏差···········································································································5

4.4總厚度變化········································································································5

4.5線性厚度變化·····································································································5

4.6彎曲度··············································································································5

4.7翹曲度··············································································································5

4.8粗糙度··············································································································6

4.9光學均勻性········································································································6

4.10消光比·············································································································6

4.11單疇化程度·······································································································6

4.12矯頑電場場強····································································································6

4.13激光損傷閾值····································································································6

4.14光透過率··········································································································6

4.15一次電光系數(shù)····································································································6

5檢測方法…………………6

5.1檢測環(huán)境···········································································································6

5.2表面質(zhì)量···········································································································6

5.3直徑·················································································································6

5.4厚度·················································································································7

5.5定向面長度和第二定向面長度················································································7

5.6鋰含量··············································································································7

5.7晶向偏差···········································································································7

5.8總厚度變化········································································································7

5.9局部厚度變化·····································································································7

5.10彎曲度·············································································································7

5.11翹曲度·············································································································7

5.12粗糙度·············································································································7

Ⅰ

GB/T45968—2025

5.13光學均勻性·······································································································7

5.14消光比·············································································································7

5.15單疇化程度·······································································································7

5.16矯頑電場場強····································································································8

5.17激光損傷閾值····································································································8

5.18光透過率··········································································································8

5.19一次電光系數(shù)····································································································8

6檢查與驗收規(guī)則…………………………9

6.1檢查與驗收········································································································9

6.2組批·················································································································9

6.3檢驗分類···········································································································9

6.4檢驗項目···········································································································9

6.5逐批檢驗··········································································································10

6.6周期檢驗··········································································································11

7包裝、標簽、儲存和運輸…………………11

7.1包裝················································································································11

7.2標簽················································································································12

7.3儲存················································································································12

7.4運輸················································································································12

附錄A（規(guī)范性）鋰含量的測試方法···············································································13

A.1原理···············································································································13

A.2樣品制備·········································································································13

A.3測試方法和計算步驟··························································································13

附錄B（規(guī)范性）一次電光系數(shù)的測定方法······································································14

B.1原理···············································································································14

B.2試樣制備·········································································································14

B.3測試步驟·········································································································15

參考文獻……………………16

Ⅱ

GB/T45968—2025

前言

本文件按照GB/T1.1—2020《標準化工作導則第1部分：標準化文件的結構和起草規(guī)則》的規(guī)

定起草。

請注意本文件的某些內(nèi)容可能涉及專利。本文件的發(fā)布機構不承擔識別專利的責任。

本文件由中國建筑材料聯(lián)合會提出。

本文件由全國人工晶體標準化技術委員會（SAC/TC461）歸口。

本文件起草單位：濟南量子技術研究院、山東大學、中國科學院新疆理化技術研究所、南京大學、

中電科技德清華瑩電子有限公司、濟南晶正電子科技有限公司、蘇州南智芯材科技有限公司、暨南大

學、北京浦丹光電股份有限公司、安徽科瑞思創(chuàng)晶體材料有限責任公司、天津津航技術物理研究所、

北京世維通科技股份有限公司、天通控股股份有限公司、上海東城電子材料有限公司、中國科學院空天

信息創(chuàng)新研究院。

本文件主要起草人：王東周、桑元華、孫軍、宋偉、劉宏、趙剛、胡文、王孚雷、于法鵬、李勝雨、

鄭名揚、盧惠輝、向美華、羅毅、孫文寶、付振東、鄭遠生、徐秋峰、方志強、朱衛(wèi)俊、郭廣妍、李春忠。

Ⅲ

GB/T45968—2025

量子信息用光學級近化學計量比

鈮酸鋰晶體

1范圍

本文件規(guī)定了量子信息用光學級近化學計量比鈮酸鋰晶體的技術要求、檢測方法、檢查與驗收規(guī)

則，以及包裝、標簽、儲存和運輸?shù)取?/p>

本文件適用于厚度分別為0.5mm和1mm，直徑為3英寸（in）、4in和6in，x切和z切的量子信息

用光