Download Passive Micro-Optical Alignment Methods by Robert A. Boudreau, Sharon M. Boudreau PDF

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By Robert A. Boudreau, Sharon M. Boudreau

Optical alignment is the most costly step in production micro-optical elements and fiber optics, yet the following participants from businesses within the US, Europe, and Japan describe a brand new reasonably cheap process often called passive alignment, that is simply starting its migration from the laboratory bench to the construction line. They current a number of mechanical and optical equipment that let the micro-optics to be located and sure with no need to energy the gadget being synthetic. additionally they overview utilities for passive alignment. between particular issues are soldering know-how for opto-electronic packaging, a reasonably cheap plastic packaged module, and the Monte Carlo research of passive alignment equipment.

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D’Hondt, W. Vanderbawhede, J. Blondelle, G. Coudenys, P. Van Daele, and P. Demeester, “III-V semiconductor waveguiding devices using adiabatic tapers,” Journal of Microelectronics, 25, pp. 675–690 (1994). 28. B. Hubner, G. Vollrath, R. Ries, C. Greus, H. Janning, E. Ronneberg, E. Kuphal, B. Kempf, R. Gobel, F. Fiedler, R. Zengerle, and H. Burkhard, “Laser diodes with integrated spot-size transformer as low-cost optical transmitter elements for telecommunications,” IEEE Journal of Selected Topics in Quantum Electronics, 3(6), pp.

In addition to beam spreading, loss occurs because of reflection from each of the two air-to-glass interfaces. 3 dB, and the resulting back reflection is −11 dB. For very small gaps, however, constructive and destructive interference make the loss and reflection a strong function of both the gap and the wavelength. The span of this regime in which coherency is a factor depends on the coherence of the light-emitting source. 7) where R = the single surface reflection coefficient, τ0 = the round-trip time delay across the gap for normal incidence, τ1 = the round-trip time delay across the gap for maximum propagation angle, ν0 = the optical frequency of the source, ∆ν = the source spectral width, and ∆τ = τ0 − τ1.

551–560 (1999). 3. M. S. Cohen, M. F. Cina, E. Bassous, M. M. Oprysko, and J. L. Speidell, “Passive laser-fiber alignment by index method,” Photonic Technology Letters, 3, pp. 985–987 (1991). 4. M. S. Cohen, M. J. Defranza, F. J. Canora, M. F. Cina, R. A. Rand, and P. D. Hoh, “Improvements in index alignment method for laser-fiber array packaging,” IEEE Transactions of Components, Packaging, and Manufacturing Part B, 17, pp. 402–411 (1994). 5. X. Zheng, P. J. Marchand, D. Huang, and S. C. Esener, “High speed parallel multichip interconnection with free space optics,” Applied Optics, 39(20), pp.

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