A LEADER IN OPTICAL TECHNOLOGY. GRADIUM Lenses.

A LEADER IN OPTICAL TECHNOLOGY GRADIUM Lenses

ABOUT LIGHTPATH TECHNOLOGIES LightPath Technologies makes quality and customer satisfaction a top priority. We value your business, and it is our goal to provide competitively priced, top quality products that satisfy your technical and time-to-market requirements. The quality management system at LightPath Technologies has been registered with TUV America and SGS China as ISO 9001:2008 compliant since August of 2001 and August of 2006 respectively. A range of environmental chambers are available in-house for reliability testing for Telcordia and other MIL The Corporate Headquarters in Orlando has 30,000 square feet of space including 8,000 square feet of class 10,000 Orlando facility also maintains a class 100 clean room for high performance projects, a precision machine shop with single point diamond turning capabilities for quick turn prototypes and complete metrology labs. programs hosting both Sales and Engineering teams. Our new manufacturing facility in Zhenjiang, China is approximately 26,000 square feet and is also wholly owned. It includes an impressive 11,000 square feet of clean room. OUR VISION Grow LightPath Technologies es into an optical solution company that is a fully integrated manufacturer and supplier of visible and infrared red optical components and sub-systems, based on world class optical manufacturing technology. 2 1.800.472.3486

TABLE OF CONTENTS About LightPath 02 Table of Contents 03 GRADIUM Lens Overview 04 GRADIUM Lens Specifications 05 GRADIUM Lens Specifications 06 GRADIUM Coatings 07 3

GRADIUM LENSES OVERVIEW ASPHERIC PERFORMANCE FOR HIGH POWER LASER DELIVERY Gradient index lenses for high power laser delivery Aspheric performance Smaller focused spot size Delivers single lens replacement for conventional doublets Provides high performance at a cost effective price Standard designs with diameters from 5 mm to 80 mm Ideal for high power applications, GRADIUM lenses and their gradient-index structure often allow a GRADIUM singlet to replace a conventional spherical doublet. GRADIUM lenses can be custom designed for visible or near infrared applications in diameters from 5 mm to over 100 mm. GRADIUM doublets are also available for better achromatic performance and can equal the performance of conventional triplets. GRADIUM lenses can be exploited to reduce spherical aberrations resulting in performance similar to single-term manufacturers incorporate GRADIUM optics in their laser delivery systems. GRADIUM lenses have been applied as simple singlets or doublets in complex multi-element systems. collimated, polychromatic light in the visible spectrum. The GRADIUM glass element is used to reduce the spherical aberration which is a common side effect of a cemented doublet design. The dispersion, as well as the optical index, varies in a controlled contiguous combination of many glass types. This continuous variation results in a transfer aberration correction not possible with homogeneous lenses. GRADIUM lenses should be used wherever small spot size, high numerical aperture (NA), increased beam energy, or excellent wavefront quality is important. A GRADIUM singlet does not have the limited laser damage threshold of a conventional cemented doublet, so laser power can be increased, leading to increased production throughout. 4 1.800.472.3486

GRADIUM LENS SPECIFICATIONS Plano-Convex (GPX) BFL EFL Bi-Convex (GBX) BFL EFL Meniscus (GMN) EFL BFL CA OD CA OD CA OD CT CT CT Lens Code Outer Diameter Clear Aperture F/# Effective Focal Center Thickness Back Focal GPX-5-5 5.00 mm 4.00 mm 1.00 5.00 mm 2.90 mm 3.09 mm GPX5-10 5.00 mm 4.50 mm 2.20 10.00 mm 3.00 mm 8.23 mm GPX5-12.5 5.00 mm 4.00 mm 2.80 12.50 mm 2.00 mm 11.30 mm GPX6.3-6.19 6.30 mm 5.67 mm 1.00 6.19 mm 2.60 mm 4.65 mm GPX6.35-12.5 6.35 mm 5.72 mm 2.20 12.50 mm 2.00 mm 11.31 mm GPX10-10 10.00 mm 9.00 mm 1.10 10.00 mm 3.00 mm 8.00 mm GPX10-12.5 10.00 mm 9.00 mm 1.40 12.50 mm 3.00 mm 10.68 mm GPX10-18 10.00 mm 9.00 mm 2.00 18.00 mm 2.50 mm 16.52 mm GPX10-22 10.00 mm 9.00 mm 2.50 22.00 mm 2.50 mm 20.54 mm GPX10-25 10.00 mm 9.00 mm 2.80 25.00 mm 2.50 mm 23.55 mm GPX10-30 10.00 mm 9.00 mm 3.30 30.00 mm 2.50 mm 28.53 mm GPX10-40 10.00 mm 9.00 mm 4.50 40.00 mm 2.00 mm 38.84 mm GPX15-15 15.00 mm 13.00 mm 1.10 15.00 mm 4.20 mm 12.24 mm Plano-Convex GPX15-25 15.00 mm 13.50 mm 1.80 24.14 mm 3.00 mm 22.42 mm GPX15-40 15.00 mm 13.00 mm 3.00 40.00 mm 2.00 mm 38.83 mm GPX20-50 20.00 mm 18.00 mm 2.80 50.00 mm 3.00 mm 48.24 mm GPX20-60 20.00 mm 18.00 mm 3.30 60.00 mm 6.00 mm 56.49 mm GPX25-40 25.00 mm 22.50 mm 1.80 40.08 mm 6.00 mm 36.55 mm GPX25-50 25.00 mm 22.50 mm 2.20 50.16 mm 6.00 mm 46.62 mm GPX25-60 25.00 mm 22.00 mm 2.60 60.00 mm 6.00 mm 56.46 mm GPX25-80 25.00 mm 22.00 mm 3.50 80.00 mm 4.00 mm 77.69 mm GPX25-125 25.00 mm 22.50 mm 5.60 125.00 mm 6.00 mm 121.50 mm GPX27-70 27.00 mm 24.30 mm 2.80 66.63 mm 6.00 mm 63.13 mm GPX27-100 27.00 mm 24.30 mm 4.00 96.46 mm 6.00 mm 93.02 mm GPX27.82-65 27.82 mm 25.04 mm 2.60 63.97 mm 6.00 mm 60.47 mm GPX30-60 30.00 mm 27.00 mm 2.20 60.00 mm 6.00 mm 56.44 mm GPX30-70 30.00 mm 27.00 mm 2.60 70.00 mm 6.00 mm 66.47 mm GPX30-80 30.00 mm 27.00 mm 3.00 80.00 mm 4.00 mm 77.68 mm GPX30-100 30.00 mm 27.00 mm 3.70 100.00 mm 6.00 mm 96.53 mm GPX40-80 40.00 mm 36.00 mm 2.20 80.00 mm 6.00 mm 76.47 mm 5

GRADIUM LENS SPECIFICATIONS Plano-Convex Lens Code Outer Diameter Clear Aperture F/# Effective Focal Center Thickness Back Focal GPX40-100 40.00 mm 36.00 mm 2.80 100.00 mm 6.00 mm 96.56 mm GPX40-125 40.00 mm 36.00 mm 3.50 125.00 mm 6.00 mm 121.52 mm GPX40-150 40.00 mm 36.00 mm 4.20 150.00 mm 6.00 mm 146.49 mm GPX50-100 50.00 mm 45.00 mm 2.20 100.00 mm 8.00 mm 94.90 mm GPX50-125 50.00 mm 45.00 mm 2.80 125.00 mm 8.00 mm 120.37 mm GPX50-150 50.00 mm 45.00 mm 3.30 150.00 mm 8.00 mm 145.25 mm GPX50-160 50.00 mm 45.00 mm 3.60 160.00 mm 8.00 mm 155.25 mm GPX50-200 50.00 mm 45.00 mm 4.50 200.00 mm 8.00 mm 195.27 mm GPX80-125 80.00 mm 72.00 mm 1.70 125.00 mm 12.25 mm 116.91 mm Bi-Convex Lens Code Outer Diameter Clear Aperture F/# Effective Focal Center Thickness Back Focal GBX20-40 20.00 mm 18.00 mm 2.20 40.00 mm 4.60 mm 37.54 mm GBX25-40 25.00 mm 22.00 mm 1.80 40.00 mm 4.60 mm 37.51 mm GBX30-40 30.00 mm 27.00 mm 1.50 40.00 mm 5.76 mm 36.72 mm GBX50-80 50.00 mm 45.00 mm 1.80 80.00 mm 8.00 mm 75.46 mm GBX80-255 80.00 mm 72.00 mm 3.38 241.37 mm 10.00 mm 236.72 mm ME GMN30-50 30.00 mm 27.00 mm 1.90 50.00 mm 5.00 mm 46.82 mm STANDARD SPHERICAL LENS Standard spherical lenses suffer from spherical aberration, which artificially limits the focused spot size. GRADIUM LENS unique refractive index profile bends rays while traveling through the lens resulting in a better focused, smaller spot. General GRADIUM Design Wavelength Operating Temperature Storage Temperature Outer Diameter (OD) Tolerance Center Thickness (CT) Tolerance 546 nm -20ºC to +200ºC -40ºC to +300ºC ± 0.250 mm ± 0.100 mm Effective Focal (EFL) for GPX, GBX, and GMN Series ± 1% Working Distance (WD) for GPX, GBX, and GMN Series ± 1% Surface Quality 40/20 Scratch/Dig 6 1.800.472.3486

GRADIUM COATINGS Standard Coating Curves 0.1 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 BB1 BB2 DB3 DB5 VC8 Broad Band Dual Band VC Available Coatings* Wavelength Surface % -BB1 400-700 nm < 0.5 Average -BB3 1000-1600 nm < 0.5 Average -BB4 1500-2500 nm < 0.5 Average -DB1 633/1064 nm < 0.25 Maximum -DB2 532/1064 nm < 0.25 Maximum -DB4 530/670 nm < 0.25 Maximum -DB5 808/940 nm < 0.25 Maximum -DB6 1064/1550 nm < 0.25 Maximum -VC1 488 nm < 0.25 Maximum -VC2 532 nm < 0.25 Maximum -VC3 633 nm < 0.25 Maximum -VC4 670 nm < 0.25 Maximum -VC5 780 nm < 0.25 Maximum -VC6 830 nm < 0.25 Maximum -VC7 980 nm < 0.25 Maximum -VC9 1300 nm < 0.25 Maximum -VC10 1550 nm < 0.25 Maximum -VC11 2000 nm < 0.25 Maximum Broad Band Dual Band VC Coating Code Wavelength Surface % -BB2 650-1000 nm < 0.5 Average -DB3 1310/1550 nm < 0.25 Maximum -VC8 1064 nm < 0.25 Maximum DID YOU KNOW? catalog, our engineering team will application. 7

DESIGNED PRODUCED DELIVERED Contact LightPath today for your custom quote 1.800.472.3486 or +1.407.382.4003 www.phototechnica.co.jp 2603 Challenger Tech Court Suite 100 Orlando, Florida 32826, USA Phone: +1.407.382.4003 Room 1608, No. 1118 Yecheng RD Jiading Industry Park Shanghai 201821 China Phone: +8621-59168075 Fax: +8621-59168076 336-0017 埼玉県さいたま市南区南浦和 1-2-17 TEL:048-871-0067 FAX:048-871-0068 e-mail:voc@phototechnica.co.jp 40th Building, No. 99 Jing 15 RD Dingmao, Zhenjiang New District Jiangsu, 212009 China LPTHCORP-1510_B