Download A Practical Guide to Handling Laser Diode Beams by Haiyin Sun PDF

By Haiyin Sun

This booklet deals the reader a pragmatic consultant to the regulate and characterization of laser diode beams. Laser diodes are the main known lasers, accounting for fifty% of the worldwide laser marketplace. right dealing with of laser diode beams is the major to the profitable use of laser diodes, and this calls for an in-depth figuring out in their distinctive properties.

Following a brief creation to the operating ideas of laser diodes, the e-book describes the fundamentals of laser diode beams and beam propagation, together with Zemax modeling of a Gaussian beam propagating via a lens. The center of the publication is anxious with laser diode beam manipulations: collimating and focusing, circularization and astigmatism correction, coupling right into a unmarried mode optical fiber, diffractive optics and beam shaping, and manipulation of multi transverse mode beams. the ultimate bankruptcy of the ebook covers beam characterization tools, describing the size of spatial and spectral houses, together with wavelength and linewidth dimension innovations.

The publication is a considerably revised and extended model of the identify Laser Diode Beam fundamentals, Manipulations and Characterizations by means of a similar writer. New themes brought during this quantity comprise: laser diode kinds and dealing ideas, non-paraxial Gaussian beam, Zemax modeling, numerical research of a laser diode beam, spectral estate characterization equipment, and tool and effort characterization suggestions. The e-book techniques the topic in a realistic means with mathematical content material stored to the minimal point required, making the publication a handy reference for laser diode clients.

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Additional resources for A Practical Guide to Handling Laser Diode Beams

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368w0, then Nemoto’s two conditions can be written, respectively, as w0 \1:73k ð2:15Þ w0 \0:87k ð2:16Þ It would be difficult to directly measure the waist radius w0 of an un-manipulated beam of laser diode, since the waist is at the emission facet and is likely only about 1 μm, but it would be much easier to measure the far field divergence of the 40 2 Laser Diode Beam Basics un-manipulated beam. Also, every datasheet of laser diode provides the far field FWHM divergence 2θFWHM, not w0. It will be more convenient to replace w0 in Eqs.

17254E+003 and should match the waist size of the collimated beam. Surface IMA The Size and Waist are the same as those at surface STO, since the beam is collimated and these two surfaces are only 10 mm apart. The beam waist Position is relative to surface IMA and is virtually 0. The positive sign means the beam waist position is slightly on the left-hand side of surface IMA. The Radius is infinity because the beam waist is at this surface. 2000 in Fig. 17. The Position, Radius, and Rayleigh are virtually the same as those for the Fundamental mode.

03451E+000 calculated by Zemax. 03451E+000 calculated by Zemax. Note that the waist of the collimated beam is at surface IMA as will be shown in the Position below, but the waist size and beam size at surface STO are virtually the same, because the beam is collimated and the two surfaces are only 10 mm apart. 00000E+001, which means the waist of the collimated beam is 10 mm away from surface STO. The negative sign here indicates that the waist of the collimated beam is on the right side of surface STO.

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