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Topologies for speckle reducing components in laser projectors

IP.com Disclosure Number: IPCOM000200317D
Publication Date: 2010-Oct-05
Document File: 6 page(s) / 116K

Publishing Venue

The IP.com Prior Art Database

Abstract

This document describes a broad range of possible topologies for the positioning of laser speckle reducing optical components, in particular for pico-projectors.

This text was extracted from a PDF file.
This is the abbreviated version, containing approximately 60% of the total text.

Page 01 of 6

Topologies for speckle free laser  projection systems

28. Sept. 2010



Page 02 of 6

                use of speckle reducing elements such as moving  diffusers e.

This document describes possible topologies for the

g.

g p

 rotatin

g

 diffusers or laser s

peckle

 

reducers provided by Optotune or SüssMicrooptics in laser based projection systems. While there are 

s own present

h l f d b d f h

ly

 pre erre  em

bo

diments

 o  t

he

 

topology, it is to be distinctly understood that the 

                     otherwise variously embodied and practiced within  the sco

topology is not limited thereto but may be

pe

p

 of the followin

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 fi

g

ures.



Page 03 of 6

Moving 

diffusers

Beam 

combiner

 ec on  mirror

D fl ti

De

fl

Red Laser

Green Laser

(This page contains 00 pictures or other non-text object)

(This page contains 01 pictures or other non-text object)

Blue Laser

Collimation Collimation 

Collimated  speckle  free beam

lenses Optics

Moving 

diff

Beam 

Red Laser

Green Laser

users combiner Deflection 

mirror

(This page contains 02 pictures or other non-text object)

 

Blue Laser

Collimation 

(This page contains 03 pictures or other non-text object)

Collimated  speckle 

f b

Optics ree 

beam


Page 04 of 6

Collimation 
lenses Collimated 

spec

Moving  diffuser

kl

e

 

free beam

Red Laser

Green Laser

(This page contains 02 pictures or other non-text object)

Blue Laser

 Beam 
combiner Collimation 

Optics

Deflection  mirror

Projection 

Optics

Moving  diffuser

Collimation 

l

Red Laser

Green Laser

lenses

C...