OSA's Digital Library

Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 6 — Mar. 19, 2007
  • pp: 3023–3030

Cylindrical quasi-cavity waveguide for static wide angle pattern projection

Kaveh Sahba, Kamal E. Alameh, Clifton L. Smith, and Arie Paap  »View Author Affiliations

Optics Express, Vol. 15, Issue 6, pp. 3023-3030 (2007)

View Full Text Article

Enhanced HTML    Acrobat PDF (206 KB)

Browse Journals / Lookup Meetings

Browse by Journal and Year


Lookup Conference Papers

Close Browse Journals / Lookup Meetings

Article Tools



Beam deflection methods such as rotary mirrors and motorized turning optical heads suffer from a variety of electro-mechanical related problems which affect laser scanning performance. These include wobble, jitter, wear, windage and synchronization issues. A novel optical structure consisting of two concentric and cylindrical interfaces with unique optical coating properties for the static projection of a laser spot array over a wide angle is demonstrated. The resulting ray trajectory through the waveguide is modeled using linear equations. Spot size growth is modeled using previously defined ray transfer matrices for tilted optical elements. The model is validated by comparison with experimental spot size measurements for 20 transmitted beams. This novel form of spot projection can be used as the projection unit in optical sensing devices which range to multiple laser footprints.

© 2007 Optical Society of America

OCIS Codes
(080.2730) Geometric optics : Matrix methods in paraxial optics
(080.2740) Geometric optics : Geometric optical design
(280.3420) Remote sensing and sensors : Laser sensors

Original Manuscript: February 7, 2007
Revised Manuscript: March 8, 2007
Manuscript Accepted: March 9, 2007
Published: March 19, 2007

Kaveh Sahba, Kamal E. Alameh, Clifton L. Smith, and Arie Paap, "Cylindrical quasi-cavity waveguide for static wide angle pattern projection," Opt. Express 15, 3023-3030 (2007)

Sort:  Author  |  Year  |  Journal  |  Reset  


  1. J. Besl "Active, Optical Range Imaging Sensors," Mach. Vision and Appl. 1, 127-152 (1988). [CrossRef]
  2. F. Blais, "Review of 20 Years of Range Sensor Development," Electronic Imaging 13,231-240 (2004). [CrossRef]
  3. G. Stutz, "Guiding Light," SPIE OE Magazine 5,25-27 (2005).
  4. A. B. Colquhoun, D. W. Cowan, and J. Shepherd "Trade-offs in rotary mirror scanner design," Proc. SPIE 1454,12-19 (1991).
  5. G. A. Massey and A. E. Siegman, "Reflection and Refraction of Gaussian Light Beams at Tilted Ellipsoidal Surfaces," Appl. Opt. 8,975-978 (1969). [CrossRef] [PubMed]
  6. B. E. A. Saleh and M. C. Teich, Fundamentals Of Photonics (Wiley-Interscience, 1991). [CrossRef]
  7. H. Kogelnik and T. Li, "Laser Beams and Resonators," Appl. Opt. 10,1550-1567 (1966). [CrossRef]

Cited By

Alert me when this paper is cited

OSA is able to provide readers links to articles that cite this paper by participating in CrossRef's Cited-By Linking service. CrossRef includes content from more than 3000 publishers and societies. In addition to listing OSA journal articles that cite this paper, citing articles from other participating publishers will also be listed.

« Previous Article  |  Next Article »

OSA is a member of CrossRef.

CrossCheck Deposited