1、30 2 ;Vol.30,No.22000 M4LASER89i 张杏梅(j ,100062)K1:介绍了双波段(35Lm和812Lm)红外光纤端面镀增透膜的重要性及其研制过程。1oM:双波段;红外光纤;增透膜ms |:TN214;TN253 DS M :AResearch on the Double Waveband InfraredAntireflection Coating for Optical FiberZHANG Xing-mei(Beijing GlassResearch Institute, Beijing 100062)Abstract:In this paper, intr
2、oduce a process practice to 3j5Lm infrared optical fiber; antireflection coating1f ?Z?, S/ w36%, P I n y ,;8K q964%b;89i ; Vh Q , sv # S Kb2 “ !9# 4| q 9iB= 9i “,=K/4 K= 3/4K03/2K0) ,L O M, o)Q q,b79i | qn1,n2, | qng,; m1D= 2PndcosH/K (1)r1= n0- n1n0+ n1 (2) “: g1 S “Te:f ,(1964), o,) =,1987 M8vsn“b
3、 M BV Y b T,;oNH 7 ; pTb “ -, g1 S“o;89i pT,1999 M g M S/ !bl :1999-11-15r2= n1- ngn1+ ng (3)r3= n2- ngn2+ ng(4) O r= r1+ r2e- 2iD11+ r1r2e- 2iD1 (5)(5)r= r1eiD1+ rqeiD1eiD1+ r1rqeiD1 (6a)rq= r1eiD2+ r3eiD2eiD2+ r2r3eiD2 (6b)rq F| qn1 =Q ,i 7s0 L s s ,|(6b) (6a)(r1+ r3)cos(D1+ D2)+ r2(1+ r1r3)cos(D1
4、- D2)= 0(7a)(r1- r3)sin(D1+ D2)- r2(1- r1r3)sin(D1- D2)= 0(7b)VtanD1tanD2= - r1- r3+ r2(1- r1r3)r1- r3- r2(1- r1r3) (8a)tanD1 tanD2= r1+ r3+ r2(1+ r1r3)r1+ r3- r2(1+ r1r3) (8b) +(Schicster);E F QZtan2D1= n21(ng- n0)(n22- n0ng)(n21ng- n22n0)(n0ng- n21) (9a)tan2D2= n22(ng- n0)(n0ng- n21)(n21ng- n22n0)
5、(n22- n0ng) (9b)(9a)(9b) V9 D1aD2V S !9, “V?K/4?Zd?K/4 “,G/0. 8HL/AaH-ZnSaL- SrF2,SrF2 , BYF3, V9F , V PiV q4,“:G/0.8HL 0.1M/AM- YF3 “ ; +nm2:m2M- YF3 “ ; +m2 4 A,3j5Lm8j12LmS =Ki q99%, (i q995% , i q1 Xb3!;89i1 bW,#F/DMi700 b b; e“dQ T o eoZE, ;, (B , b310- 3Pa, eoK0= 660nmb l R562;95,WQF400i =M; N kbV, ba? q ahQ ; ?zb4 LTm3As-Se-Tej 9i wLVm39i wL V A,3j12LmS=Ki q99%, (i q990% b 3.5j11.5LmS =i q (90% , 91 b120mmLo.; hQ ,iV q k /:3j5Lm 8j12Lm -45.0% 27.0% 51.8% 32.5%9F6.8% 5.2%N Vn,;8hQ ;8iVq A4,;8 L dTb5) 3j3.5Lm)iV q 9F, 3LmB- OH, k / vP81- 86.2 6 S; “1997;107-109.3; m122;30
