CODIXX. colorpol polarizers the polarizer family Made in Germany. Branch

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1 the polarizer family Made in Germany Branch Optical Communications Semiconductors Measurement Instrumentations Display Industries Medical Industries Laboratories R&D Space Industries Projectors CODIXX

2 2 The polarizer family are dichroic glass polarizers. They feature a high contrast ratio and a high transmittance. Standard are available for the UV wavelength range ( nm) and for the VIS, NIR and MIR range (440 nm 5.0 μm). For the range of 1.2 to 2.5 μm CODIXX provides special versions of high transmittance (HT) polarizers with values up to 99 %. : are thin like foil polarizers can be processed like glass or silicon wafers are resistant to UV radiation and most chemicals have large acceptance angles are resistant to temperatures up to +400 C feature high accurancy of polarization axis to edge offer nearly unlimited customizations Based on the unique colorpol technology, CODIXX is the world's first producer of patterned polarizers. colorpol S polarizers have arbitrary shaped areas with different directions of polarization. Additionally, the areas can have different spectral characteristics. Applications Polarizers are used in a wide range of diverse optical devices to filter or block polarized light, to modulate or reduce brightness, analyze or polarize light and many more. Because of their excellent properties and outstanding adaptability, can be used in many applications like: Optical sensor devices Illumination engineering Instrumental filters for laboratory equipment in microscopy, ellipsometry, spectroscopy, polarimetry Photo elasticity, surface inspection Fiber dependent optical isolators Optical communications engineering and data storage Electro-optical modulators High-temperature LC-Displays High-temperature LC-Shutter Lyot-Filter The colorpol technology With its unique technology, CODIXX is able to create uniformly oriented prolated silver nano particles in soda lime glass. The nano particles show a strong plasmon absorption, which is selective in reference to polarization and wavelength. Beside the standard products, the flexible technology allows the production of customized polarizers with special spectral characteristics mm Raw colorpol polarizer Nanoparticles near surface unpolarized light Single prolate nanoparticle with symmetry axes polarized light 1 extinction ratio (relative) wavelength [nm] Absorption spectra of soda lime glass containing uniformly oriented silver particles

3 3 Overview are characterized by their wavelength range and contrast ratio ( 1,000:1, 10,000:1 and 100,000:1, indicated in the product name by C3, C4 and C5 respectively). The wavelength of maximum polarization is determined by the chosen technology parameters. The peak position can be brought in line with customer's requirements. The wavelength range of effective polarization spans the UV region (colorpol UV: 340 to 420 nm), the visible and infrared region (colorpol VIS, colorpol IR and colorpol MIR: 440 nm to 5 μm). Thickness for the raw polarizer is specified by 0.2 mm to 0.5 mm, depending on the selected colorpol polarizer. More options can be made by laminating. The thickness of such parts is specified by 0.8 mm to 10 mm. A large number of different sizes and shapes are available upon request. Antireflection coatings: can be delivered with AR-coatings. colorpol Xtrafine High performance polarizer with a thickness of 25 µm and available for the spectral range of 1,260 1,680 nm. colorpol type Wavelength range [nm] Transmittance [%] Contrast ratio k 1:k 2 Thickness [µm] Maximum dimension [mm²] Xtrafine 1,260-1,530 >88 25 ± 10 on request Xtrafine 1,450-1,680 >89 25 ± 10 on request The contrast ratio is defined to be k 1/k 2, where k 1 is the transmittance beam passing the filter and k 2 is the transmittance of a polarized beam blocked by the filter. CODIXX AG reserves the right to change technical information without notice.

4 4 Standard polarizers colorpol type Wavelength range [nm] Transmittance [%] Contrast ratio k 1:k 2 Thickness unlaminated [µm] Thickness laminated Maximum dimension [mm²] UV 375 BC >40-47 >40-48 >39-48 UV 380 BC >52-57 >52-58 >51-59 VIS 500 BC > ±50 2.0±0.2 <=100x60 VIS 500 BC3 CW01 (AR coated) > ±50 2.0±0.2 <=100x60 VIS 500 BC > ±50 2.0±0.2 <=100x60 VIS 500 BC4 CW01 (AR coated) > ±50 2.0±0.2 <=100x60 VIS 600 BC >62-78 >60-81 > ±50 2.0±0.2 <=100x60 VIS 700 BC >77-86 VIS 700 BC3 CW03 (AR coated) >84-93 VIS 700 BC ,000 >78-87 >78-88 VIS 700 BC4 CW02 (AR coated) ,000 >84-93 >84-95 VISIR 600-1, ,500 >67-84 > ±50 2.0±0.2 <=100x60 VISIR CW02 (AR coated) 600-1,200 > ±50 2.0±0.2 <=100x60 IR 950 BC , ,320 >85-87 >80-88 IR 950 BC4 CW02 (AR coated) 800-1, ,150 >90-94 >82-94 IR 1100 BC , , ,700 >85-87 >83-87 >80-88 IR 1100 BC4 CW02 (AR coated) 900-1, , ,250 >91-94 >89-94 >86-94 IR 1300 BC , , ,000 >82-86 >80-87 >76-87 Laserline Nd:YAG BC4 at 355 nm at 532 nm at 1,064 nm >37 >50 >79 270±50 2.0±0.2 <=100x60 NIR MIR 1,000-2,700 2,700-3,000 1,200-3,000 1,000-3,000 2,000-4,500 1,500-5,000 >77 >70 >65-90 > ±65 2.0±0.2 at other wavelength ranges <=100x60 200±50 <=100x50 Contrast ratios, other thicknesses, shapes or dimensions available on special request. Reflection losses can be minimized by anti-reflection-coatings. AR-coatings are available for different wavelength ranges as V-coating or wide-band version. The contrast ratio is defined to be k /k, where k is the transmittance beam passing the filter and k is the transmittance of a polarized beam blocked by the filter CODIXX AG reserves the right to change technical information without notice.

5 5 High transmittance polarizers High transmittance polarizers offer a low insertion loss and high contrast ratios within the given spectral range. They are available for the spectral range of 1,200 2,500 nm. colorpol type Wavelength range [nm] Transmittance [%] Contrast ratio k 1:k 2 Thickness [µm] Maximum dimension [mm²] IR 1310 BC4 HT 1,280-1,500 >88-90 IR 1310 BC4 HT C1310 (AR coated) 1,280-1,500 >96-98 >97 at 1,310 nm 250±50 <=100x60 IR 1490 BC4 HT 1,450-1,530 >89 IR 1490 BC4 HT C1490 (AR coated) 1,450-1,530 > ±50 <=100x60 IR 1550 BC4 HT 1,480-1,650 >89-91 IR 1550 BC4 HT C1550 (AR coated) 1,480-1,650 > >98 at 1,550 nm 250±50 <=100x60 IR 2000 BC2 HT 1,600-2,500 >90 IR 2000 BC2 HT CW06 (AR coated) 1,600-2,500 >96 >100:1 220±50 <=100x50 The contrast ratio is defined to be k 1/k 2, where k 1 is the transmittance beam passing the filter and k 2 is the transmittance of a polarized beam blocked by the filter. CODIXX AG reserves the right to change technical information without notice. Sample sets CODIXX offers sample sets of its polarizers for evaluation at an attractive price. Sample sets are customized compilations of either 4 or 6 polarizers out of the colorpol standard or HT series with dimension of 10 x 10 mm². In one sample set, the maximum quantity of filters of the same type is limited to 2 pieces.the shipment will be done within one working day after ordering. Diameter Clear aperture Diameter Thickness Clear aperture Diameter Clear aperture Length ± ± e e or 7 5 or Transmitted wavefront distortion < λ/4 at 633 nm per Ø 10 mm for polished parts 25.0 e e or 10 5 or 10 Other diameters are available on request.

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7 7 Transmittance Transmittance with antireflection coating contrast (extinction ratio) The graphs should be considered typical / representative only. Guaranteed values are given in the tables on page 3-5.

8 8 Patterned polarizers In difference to a common linear polarizer, which provides the same optical properties over the whole clear aperture, a patterned polarizer is subdivided into segments. The segments may have different optical properties like the orientation of the polarization axis or wavelength range, or can be opaque or transparent. Size, shape and number of segments with different optical properties determine which of CODIXX s unique manufacturing technology is applicable. Mosaic technology colorpol is well suited for this classical method of manufacturing patterned polarizers. The thin glass substrates can be diced precisely with for example wafer saws. Different polarization directions as well as different wavelength ranges can be chosen for each segment. Lithographical technology The polarization of is caused by elongated silver nano particles, which are embedded into the glass only in a shallow depth. This specific design offers the possibility to remove these nano particles by surface etching. With lithography, this can be done selectively. A patterned polarizer with regions of either transparent or linear polarizing properties is the result. The shape of the regions can be randomly chosen, the resolution can be as high as 30 µm at still reasonable costs. The polarization axis of all regions as well as the wavelength range is same. On the other hand, the size, shape and number of segments is limited. After the precise side-by-side arrangement, the mosaic is sandwiched between two carrier substrates. To create a polarizer with regions of different polarization axes, at least two of the polarizers, which were patterned as described above, must be stacked on top of each other (see sketch above). The more different orientations of the polarization axis are needed, the more planes must be stacked. The different height positions of the planes may cause a parallax. Direct patterning Direct patterning - the latest technology - features high accuracy and higher resolution. The manufacturing of the polarizer is based on CODIXX s approved colorpol technology and enables us to create and arrange the silver-nano-particles with defined orientation according the needs of our customers applications. With this new development method we are close to our goal to offer smallest patterns with highest edge-sharpness, enabling new designs and create new possibilities in photonics applications. The accuracy of the polarization axes to each other for the new annular design is < 0.1. All segments are arranged in the same focal plane (no parallax effects). This new generation of patterned allows now unlimited flexibility of polarizing structures with resolution down to <10 µm. Structures can be designed to feature different optical properties such as orientation of the polarization axis or wavelengths surrounding 600 nm and 800 nm with extinction ratios of 1,000:1.

9 9 Unlaminated Laminated Optical Parameter Transmitted wavefront distortion (TWD) at 633 nm over an inspection area of Ø10mm < 3 λ < λ/4 Beam deviation < 20 arc min. < 1 arc min. 2) Accuracy of polarization axis to edge < 0.5 3) 4) Acceptance angle, ± 20 5) Refractive index at 633 nm (RI) ± Cosmetic Parameter 6) Surface imperfections In dependence on MIL-O-13830A: S/D 40/20 In dependence on ISO : 5/2 x 0.04 per Ø 10 mm Mechanical Parameter Clear aperture (CA) 7) Edge chips Specific weight Coefficient of elasticity E 70 ± 5 kn/mm² 80% for parts < 2 x 2 mm² 90% for parts < 20 x 20 mm² 95% for parts 20 x 20 mm² 0.05 mm to 0.2 mm, dependent upon part size < 0.05 mm on request 2.5 ± 0.1 g/cm² Physical Parameter Coefficient of thermal expansion (CTE) Specific heat Thermal conductivity ± 0.3 x 10 K (0-100 C) 1.0 ± 0.1 J/gK 0.94 ± 0.05 W/mK Operation Limits Laser damage threshold (LDT) a) Continuous wave (CW) 10 W/cm² continuous block 25 W/cm² continuous pass b) Pulsed 12 MW/cm² pulse peak power (equivalent of about 1 µj/cm² pulse power density) 1 W/cm² continuous block 5 W/cm² continuous pass 1 MW/cm² pulse peak power (equivalent of about 100 nj/cm² pulse power density) Operating temperature range up to +400 C -20 C to +120 C Durability Thermal cycle Humid storage UV-stability Chemical resistance -40 C to +80 C, 200 cycles (DIN EN method Na) 85 C, 85% rel. humidity, 1,000 h according to Telcordia GR-1221-CORE 20 mw/cm² at 60 h irradiation without any degradtion are insensitive to most organic and cleaning solvents, acids and 8) bases and distilled water. follow completely the international RoHS, REACH and PFOS regulations. laminated, ground and polished less tolerance available upon request exceeding this angle may lower contrast and transmittance AR-coating may limit this angle 5) 2) 6) 3) 7) 4) 8) CODIXX AG reserves the right to change technical information without notice. RI for other wavelengths on request other quality grades available on request other specifications available on request AR-coating may limit the resistivity

10 10 CODIXX CODIXX is a corporation under German Law, established in September After a period of research and development CODIXX started the production of a new family of dichroic glass polarizers in The manufacturing plant is located in Barleben near Magdeburg. Since the end of 2002 the company is dedicated to development, production and marketing of dichroic glass polarizers, distributed worldwide under the trade name colorpol. Based on an unique technology for production and treatment of nanoparticles in glass, CODIXX manufactures high-quality polarizers for ultraviolet, visible and infrared spectral range. An excellent flexibility of the colorpol technology allows for the production of customized polarizers meeting demands for all spectral ranges, contrast conditions and designs. CODIXX follows the Quality Management System DIN-ISO 9001:2008 to guarantee highest quality standard.the QMS was certified by TÜV Nord CERT in August In August 2015 the certification was renewed and is now valid until completely follow international regulations of RoHS, REACH and PFOS.

11 11 colorpol distributors United Kingdom and Ireland Elliot Scientific Ltd 3 Allied Business Centre Coldharbour Lane Harpenden, Hertfordshire AL5 4UT United Kingdom Phone: +44 (1582) Fax: +44 (1582) Website: sales@elliotscientific.com China FOCtek Photonics Inc. No. 8, the 7th Road Phase II of Minhou Tieling Industrial District Fuzhou, Fujian China Phone: +86 ( Fax: +86 ( Website: sales@foctek.com South Korea L2K Co., Ltd #530-ho, 187, Techno2-ro Yuseong-gu Daejeon South Korea Phone: Website: sales@l2k.kr Israel ROSH Electroptics Entrance B, Floor 1, Office Giborei Israel St. Netanya Israel P.O. Box 2667 Phone: +972 (0) Fax: +972 (0) Website: info@roshelop.co.il China Titan Electro-Optics Co.,Ltd CHINA Room , North Wing The Gate Tower B No.19, Zhongguancun Avenue Haidian District Beijing, P.R. China Phone: +86 (10) Fax: +86 (10) Website: sales@teo.com.cn Singapore and Malaysia AceXon Technologies Pte Ltd #20-83 WCEGA Tower 21 Bukit Batok Crescent Singapore Phone: +65 (6565) 7300 Fax: +65 (6565) 7005 Website: sales@acexon.com USA and Canada Laser Components USA, Inc. 116 South River Road, Building C Bedford, NH USA Phone: +1 (603) Fax: +1 (603) Website: info@laser-components.com Japan Fujitok Corporation Kami-Jujo, Kita-Ku Tokyo Japan Phone: +81 (03) Fax: +81 (03) Website: opt@fujitok.co.jp All other countries and regions CODIXX AG Steinfeldstraße Barleben Germany hone: +49 (0) Fax: +49 (0) Website: colorpol@codixx.de

12 CODIXX AG Steinfeldstraße Barleben Germany Phone: +49 (0) Fax: +49 (0) Website: colorpol@codixx.de Version 12/2017