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Standard 830 nm structured light DOEs

Wuxi OptonTech Ltd introduces four types of standard 830 nm structured light DOEs on July 11 2016. These DOEs have excellent performance including extremely low zero order, low roll-off (small difference in brightness between the center and the edges) and seamless tiling. The specifications are as follows. We welcome any question, query or e-request for information.

Item No

Spots number

Angle along horizontal and vertical directions

Angle along diagonal direction

SL1 34,650 45 x 56 deg 68 deg
SL2 34,650 91 x 105 deg 118 deg
SL3 100,440 67 x 80 deg 94 deg
SL4 100,440 76 x 90 deg 104 deg

The following table compares the randomness of one single tile of the pattern indicated by the minimum hamming distance.

Sub-window size 9x9 11x11 13x13 15x15 17x17 19x19     21x21 23x23 Sum of hamming distance
Minimum hamming distance of one tile of the kinect pattern
£¨Spots number£º3842£©
3 9 16 25 36 48 61 74 272
Minimum hamming distance of the pattern designed by Wuxi OptonTech
£¨Spots number£º3848£©
4 10  14 25 37 50 62 79 281

, and the following table compares the randomness of the whole pattern (3x3 tiles) indicated by the minimum hamming distance.

Sub-window size 9x9 11x11 13x13 15x15 17x17 19x19     21x21 23x23 Sum of hamming distance
Minimum hamming distance of the whole 3x3-tile kinect pattern (Spot number: 34578) 0 0 0 0 0 0 0 0 0
Minimum hamming distance of the pattern designed by Wuxi OptonTech (Spots number: 34645) 2 7 14 21 32 44 58 73 251

Wuxi OptonTech Ltd. standard structured light laser modules

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