REO Product Line Overview • • • • •
Laser Cavity Mirrors Output Couplers Gain Crystals and Glasses Nonlinear Crystals Laser Line Separating Optics
Laser Optics
• • • • • •
Polarizing Beamsplitters Dichroic Beamsplitters Nonpolarizing Beamsplitters Right-angle prisms Risley Prisms Porro Prisms
Prism & Beamsplitters
• CO2 Laser Cavity mirrors • CO2 Output Couplers • Ahpheric Lenses • Diffractives • Optical Windows
IR Optics
New Product Development • Moated Mirrors • Beam Combining Wedges • Annualrized Mirrors
• • • •
Beam Shaping Lens Cells Bonded Opto-Mechanics Vacuum Cells Optoelectronics
RLG Optics
Optical Assemblies
• 633nm Stabilized • 532nm Polarized • 532nm Unpolarized • IR • Dual-line
He-Ne Lasers
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Commonly Used Materials Optical Glasses
Fused silica, Crowns, Flints, Infrasil
Crystals
Sapphire, CaF2, MgF2
Laser Materials
YAG, YVO4, YLF, KTP, LBO, BBO, LiNbO3, Laser Glass
Filter Glasses
AG, YVO4, YLF, KTP, LBO, BBO, LiNbO3, Laser Glass
IR Materials
ZnSe, ZnS, Si, Ge, GaAs AMTIR, CLEARTRAN, As2S3, Spinel
Materials
Aluminum, Copper, Electroless Nickel, Gold, Brass, Silver, Zinc, Tin
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Engineering Optical Design
Thin Film Design
Mecanical Design
Reflectance (% ) 100 80 60 40 20 0 400
500
600
700
800
W avelength (nm)
• Proprietary design and optimization strategies • Materials expertise • Manufacturability analysis
• Zemax optical design and optimization • Cost-performance trade-off management
• SolidWorks modeling and drafting • Thermal and stress FEA • Manufacture analysis
• Maufacturing tolerance analysis • Ready access to optics manufaturing exports
• In-house machine shop
Design solutions that enable cost-effective, consistent manufacturability Copyright ISUZU GLASS LTD. All right reserved.
Process Technology Cleaning
• 4 Automated multi-stage ultrasonic systems • Dedicated system for metal parts • Outgassing processes • Wide range of developed chemistries • Plasma & UV Ozone cleaning
Bonding
• Multiple Automated dispensing systems • Experience with many adhesive types • Curing and surface preparation expertise • Precision GTAW Welding • Vacuum sealing
Alignment
• Precision lens alignment for < 1um centering • Precision autocollimators for < 1 arc/sec angles • Custom active alignment systems
Metrology
• In-clean-room interferometry • 633nm and 1064nm interferometers • OGP Smartscope CMM • Custom laser and functional testing
Industry-leading processes for consistent, contamination-free performance Copyright ISUZU GLASS LTD. All right reserved.
Optical Polishing
• Superpolishing: < 0.25A rms • CNC Polishing • Double-Side Polishing • Continuous Polishing • Flat or Spherical • Figure: l/20 per 100mm • Surface Quality: 5/ 1 x 0.02 • UV, Vis and IR Materials
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Conventional Superpolish Microroughness = 0.65 A RMS, 1µm – 100µm Spatial Period
Optical Profilometer
REO Camera Enhanced DIC Copyright ISUZU GLASS LTD. All right reserved.
REO Enhanced Superpolish Microroughness = 0.25 A RMS, 1µm – 100µm Spatial Period
Optical Profilometer
REO Camera Enhanced DIC Copyright ISUZU GLASS LTD. All right reserved.
CNC Glass Machining
• Multi-axis vertical milling • Dicing and slicing • Chemical Polishing for non-optical surfaces • Glasses, glass ceramics, crystals, and more
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Thin Film Coating Overview REO employs multiple coating technologies, using each where necessary to deliver the precise combination of performance, physical characteristics and cost models that the job requires
Sputtering • Ion Beam Sputtering
Evaporative • Ion Assisted Deposition / APS • UV/Visible E-Beam Evaporation • IR E-Beam Evaporation
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IBS Advantages • Highest performance coatings for UV – MWIR • Ultra low loss • High precision • High density, amorphous films deliver the ultimate in spectral and environmental stability
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Evaporation and IAD Advantages
• Wide wavelength range (DUV – LWIR) • Large optics (up to 16”) • Generally lower cost
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Activated Covalent Bonding (ACB)™ • Proprietary adhesive-free bonding technology • Minimizes absorption and scattering • Superior laser damage resistance • Delivers bulk mechanical strength • Yields superior environmental stability
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REO Optical Assemblies Facility & Personnel
Design for Manufacture
In-House Optics
Process Technology
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Assembly Examples
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Spectral and Laser Metrology
• UV-VIS-IR Spectrophotometry • FTIR Spectrophotometry • Cavity Ringdown • Laser Photometry • Direct Absorption Metrology
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Laser Damage Testing
• • • • • •
3 ns and 20 ns pulses at 1064 nm Automated defect detection Pulse by pulse laser metrology Growth testing 9.4 and 10.6 micron IR testing Expanding Capabilities
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