Abstract

We developed an all-fiber RGB laser light source module for application in an automobile head-up display. It is based on laser diodes and an optical fiber combiner that substantially enhances the flexibility of configuration and stability against harsh working conditions for automobiles. We coupled 13 laser diodes with optical fibers and merged them into a single output with a beam combiner device. Red (R), green (G), and blue (B) laser sources were employed to produce primary colors that were mixed into a white light output. An optical output power of approximately 1.5 W was achieved, and the color balance of the output lights was assessed based on the CIE 1931 color space. The optical output power was shown to be stable for over 160 h within an optical fluctuation of less than 0.27%.

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Other (26)

M. Bibuli, M. Caccia, and L. LapierrePath-following algorithms and experiments for an autonomous surface vehicleIFAC Proc.200778186

Z. Sun, G. Bebis, and R. MillerOn-road vehicle detection: A reviewIEEE Trans. Pattern Anal. Mach. Intell.200628694711

K. Bengler, K. Dietmayer, B. Farber, M. Maurer, C. Stiller, and H. WinnerThree decades of driver assistance systems: Review and future perspectiveIEEE Intell. Transp. Syst. Mag.20146622

Y.-C. Liu and M.-H. WenComparison of head-up display (HUD) vs. head-down display (HDD): Driving performance of commercial vehicle operators in TaiwanInt. J. Hum. Comput. Stud.200461679697

C. M. Bigler, P.-A. Blanche, and K. SarmaHolographic waveguide heads-up display for longitudinal image magnification and pupil expansionAppl. Opt.20185720072013

M. K. Hedili, M. O. Freeman, and H. UreyMicrolens array-based high-gain screen design for direct projection head-up displaysAppl. Opt.20135213511357

S.-L. Hou, W.-K. Choi, and G.-D. J. SuUltra-bright heads-up displays using a method of projected color images by combination of LEDs and polymer-dispersed liquid crystalsJ. Disp. Technol.201410228234

J. MaAdvanced MEMS-based technologies and displaysDisplays201537210

K. Blankenbach and E. BuckleyPerceptual effects of laser-Based HUDsJ. Disp. Technol.20128194197

K. YamamotoLaser display technologies and their applicationsAdv. Opt. Technol20121483488

S.-J. Son, D.-K. Ko, and N. E. YuStudy of an optical device based on a quasi-phase-matching method for speckle noise reduction for laser displayJ. Korean Phys. Soc.201669756761

N. E. Yu, J. W. Choi, H. Kang, D.-K. Ko, S.-H. Fu, J.-W. Liou, A. H. Kung, H. J. Choi, B. J. Kim, M. Cha, and L.-H. PengSpeckle noise reduction on a laser projection display via a broadband green light sourceOpt. Express20142235473556

T. Smith and J. GuildThe C.I.E. colorimetric standards and their useTrans. Opt. Soc.19313373134

K. Hieda, T. Maruyama, T. Takesako, and F. NarusawaNew method suitable for measuring chromaticity and photometric quantity of laser displaysOpt. Rev.201825175180

LS TechPump Combiners (n+1)×1http://lstech.kr/?page_id=11LSTECH, Published: 1 July 2014Accessed date: 11 December 2019

B. Wang and E. MiesReview of fabrication techniques for fused fiber components fiber lasersProc. SPIE2009719571950A-1

M. Ide, S. Fukaya, K. Yoda, and M. SuzukiCompact multiple laser beam scanning module for high-resolution pico-projector applications using a fiber bundle combinerProc. SPIE201490059005F

S. H. Lee, K. H. Kim, H. S. Yang, S. Y. Cho, S. J. Kim, M. K. Park, and J. H. LeeFabrication and output characteristics of an (18+1)×1 polarization-maintaining pump and signal combiner for high-power fiber laserKorean J. Opt. Photon.201930187192

W. D. WrightA re-determination of the trichromatic coefficients of the spectral coloursTrans. Opt. Soc.192930141164

N. I. SperanskayaDetermination of spectrum color coordinates for twenty-seven normal observersOpt. Spectrosc.19597424428

S. WenDesign of relative primary luminances for fourprimary displayDisplay200526171176

M. N. Akram and X. ChenSpeckle reduction methods in laser-based picture projectorsOpt. Rev.201623108120

P.-H. Yao, C.-H. Chen, and C.-H. ChenLow speckle laser illuminated projection system with a vibrating diffractive beam shaperOpt. Express2012201655216566

A. Lapchuk, V. Yurlov, G. A. Pashkevich, A. Prygun, A. A. Kryuchyn, and S. ShyloImpact of aberrations on speckle suppression efficiency on moving a DOE inside the optical systemDisplay20164318

K. Kasazumi, Y. Kitaoka, K. Mizuuchi, and K. YamamotoA practical laser projector with new illumination optics for reduction of speckle noiseJpn. J. Appl. Phys.20044359045906

S. Roelandt, Y. Meuret, G. Craggs, G. Verschaffelt, P. Janssens, and H. ThienpontStandardized speckle measurement method matched to human speckle perception in laser projection systemsOpt. Express20122087708783

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