1、 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 2006 5 1 http:/www.kats.go.krKS L 2105 KS L 2105: 2006 (2011 ) L 2105: 2006 : ( ) ( ) () () ()KCC () ( ) : (http:/www.standard.go.kr) : :19 91 6 5 :200 6 5 1 : 2011 12 2 6 2011-0620 : : ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . ICS 81.040.01 KS L 2105
2、: 2006(2011 ) Measuring method of the linear thermal expansion coefficient for low expansion glass by laser interferometry 1. ( .) 150 150 . 2. . . KS A 3251 1 1: KS C 1602 KS C 1603 KS C 1606 KS L 2506 3. . a) 110 6 1 b) . () () , . 4. . . 5. , , ( .), , ( 1 ). L 2105: 2006 2 1 a) He Ne , 110 6 . (
3、 30 nm) . . b) . c) 150 150 , 1 . 10 Pa(0.1 mbar) . d) 1 . e) KS C 1603 KS C 1602 K T , KS C 1606 . f) . 6. . . 7. . a) . b) . c) . d) , . 10 Pa(0.1 mbar) . e) , ( ) . . . 0 1 /h . 50 1 /h . 150 50 , 150 120L 2105: 2006 3 50 0 . . f) 1 /min . 8. KS C 1603 B KS C 1602 1 K 2 T . ( 78.5 ), (0 ) (100 )
4、. ( 195.8 ) (156.6 ) . 1 . 9. 7. e) 2 . . . 10. . a) . b) KS A 3251 1 . 11. . a) b) c) d) e) f) g) L 2105: 2006 4 1. 1.1 . 1 5 mW He Ne , . , . 1 . 1 1.2 2 , ( 2 ). L 2105: 2006 5 2 a) 5 mm ( 3 ). , ( , ) . 1) 2 1 . 2) . 3 1.3 a) 10 15 mm, 15 20 mm 4 3 . 25 35 mm 1 4 L 2105: 2006 6 4 b) 3 . 4 8 . 1.
5、4 . a) Tk , ( 5 ). 5 b) , Nk fk . c) Tk 1 , 2 . d) , Nk 1 fk 1 . e) . 1.5 . )()(21k1kkk += fNfNL15 20 mm1015 mm 1234561101 10 L 2105: 2006 7 )(1kkk+=TTLL L: 2 (mm) k: TkTk 1 ( 1) : (mm) L: (mm) Tk: k ( ) Nk: Tk f k: Tk 7. e) ( j 1, 2) 9. r (i 1, r) , 4 . . rijjrir2211= 12)(2211=rsTijjri ij: ( 1) T :
6、 T ( 1) s: T ( 1) 2. 2 2.1 2 2 , 2 6 . 2 . 2 , . 2 90 . , 2 , ( ) . . 14L 2105: 2006 8 6 2 2.2 1.2 . 6 2 . 2.3 1.3 , . 2.4 1.4 . 2.5 2 . )()(41k1kkk += fNfNL)(1kkk+=TTLL L: 2 (mm) k: TkTk 1 ( 1) : (mm) L: (mm) Tk: k ( ) Nk: Tk f k: Tk 7. e) ( j 1, 2) 9. r (i 1, r) , 2r . . rijjri2211T= 1210 3 45 6 7
7、 89 11 . ( ) 1 4 L 2105: 2006 9 12)(2T211=rsijjri ij: ( 1) T : T ( 1) s: T ( 1) 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KSKSKSSKSKS KSKS SKS KSKS SKSKS KSKSKSKorean Agency for Technology and Standards http:/www.kats.go.kr KS L 2105: 2006 Measuring method of the linear thermal expansion coefficient for low expansion glass by laser interferometry ICS 81.040.01