crisp, j (2001) introduction to fiber optics (2nd ed )

... called: (a) a fiber optic (b) a flashlight (c) an optic fiber (d) a xenon bulb 2 A simple fiber optic system would consist of: (a) a light source, an optic fiber and a photo-electric cell (b) a ... approximately: (a) 850 nm (b) 1550 µm (c) 1350 nm (d) 1.55 µm 5 The 850 nm window remains popular because it: (a) uses visible light and this allows plastic fibers to be used (b) the fib...

Ngày tải lên: 18/04/2014, 12:28

... 2 )] lab1 I 6(ax, by) - lab1 exp [j. rr(ax + by)] 6(fx - al2, f~ - bl 2) ab 1 1 sgn(ax) sgn(by) lab1 jnfx jnfy comb(ax) comb(by) 1 - comb( fxla) comb( fylb) lab1 exp[jn(a 2 x 2 ... expansion that was needed due to the tremendous amount of progress in the field since 1968 when the first edition was published. The book can be used as a textbook to satisfy...

Ngày tải lên: 17/03/2014, 14:56

... fondly dedicated to this remarkable person. Jamal Nazrul Islam Chittagong, 1991 x Preface to the first edition TLFeBOOK Preface to the second edition The material in the earlier edition, to which ... is, H 0 ϭH(t 0 ). For galaxies which are not too near nor too far, the velocity ␷ is related to the distance d by Hubble’s constant: ␷ ϭH 0 d. (1. 4) (Compare (1. 2), (1. 3)...

Ngày tải lên: 17/03/2014, 13:33

... P^/a ,) ^ 1, we see that I(a t ; bj) ^ I(a t ), (1. 3) and /(a,.; ft, .) ^ I(bj), (1. 4) where J( fl£ ) £ -Iog 2 P(a, .), 7(5 ; .) 4 -Iog 2 P(^0, /(a ,) and /(b ; -) are defined ... (1.3 0) C H(B/A) & - p(a, b) Iog 2 p(b/a)da db, (1.3 1) J — oo J — oc) /*oo Too H(A/B) * - p(a,b)log 2 p(a/b)dadb, (1.3 2) and H...

Ngày tải lên: 18/04/2014, 11:02

... Single or groups of 250 μm fibres enclosed in tubes • Tubes made around central strength member • Gel filled to exclude moisture • Overall polyethylene jacket • Used in U/G, Aerial environment • More ... 1 Introduction to Optical Fiber Anton Indrawata Technical Manager Enterprise S.E. Asia 10 Optical Fibre Applications Wavelength ... - Tight Buffered Optical Fibre Tight Buffer Aramid...

Ngày tải lên: 22/10/2013, 12:15

Ngày tải lên: 31/03/2014, 15:19

... discuss how text produced by an editor is converted by an assembler to the machine code stored in the computer's memory. The text input to the assembler is called source code. ... accumulator used with the index, is also widely used. We seern to run into such a combination in every other program that we write. Figure 3.19. Program Segment to Add...

Ngày tải lên: 18/04/2014, 11:06

Ngày tải lên: 05/10/2012, 09:59

... five Advanced Topic chapters, each with prerequisites, which can be added to extend the course as desired. Ordinarily the best time to tackle those Advanced Topics is immediately ... points of emission (the galaxy) and observation (us). If a nearby object is receding at a speed v, then its redshift is (2. 2) c where c is the speed of light. 2 Figure 2.5...

Ngày tải lên: 17/03/2014, 13:34