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30 April 2012
Crystaltechno Ltd. offers a IR lenses design and manufacturing from Ge (Germanium) , Si (Silicon) and ZnSe (Zinc Selenide) for spectral range (3-5) and (8-12)
microns.
15 April 2012
The optical polishing technology of leucosapphire (sapphire) domes in diameter 201 mm is debugged; sapphire domes Surface Quality S/D 80-50 is achieved.
31 March 2012
There is a new batch of ZnSe ATR prisms in size (52х20х2) mm at our stock.
15 March 2012
Crystaltechno Ltd. offers custom made assemblies, beam expanders and condensers including IR with ZnSe, CaF2 and sapphire optics.
29 February 2012
Broadband antireflection coating technology for CaF2 optics operating at three IR spectral bands is debugged. Transmission (T) of AR/AR CaF2 window is the following: T~95% at 2.097 microns, T~95% at (3.5-3.9) microns and (4.5-5.0) microns.
15 February 2012
Three new crystals growth installations by Stockbarger method for CaF2 (diameters 75 mm, 100 mm and 180 mm) and BaF2 (diameters 56 mm, 75 mm and 100 mm) have been started up at our optical manufacture.
31 January 2012
We offer the polished optics (windows, plates and lenses) made from CaF2 and BaF2 (Calcium Fluoride, Barium Fluoride) at the reduced prices with short lead times. Besides, till March, 1st, 2012 we propose 20% discount for all polished optics from CaF2 and BaF2 at our stock. We wait for your orders!
15 January 2012
There are the following neutral glass types: NG1, NG2, NG3, NG6, NG7, NG8, NG9, NG10, NG11, NG12 and NG13 at our stock, total glass weight - 10 ton. We offer neutral glass optics including the large neutral glass plates in size up to 500 mm x 500 mm x 200 mm.
31 December 2011
Technology of antireflection coating at the range (7 - 14) microns for ZnSe optics is debugged. AR coated Zinc Selenide optics keeps the properties at temperature difference from -60 degrees C to +80 degrees C.
15 December 2011
We offer new batch of Optical Filters Sets from Colored Glass (Color Glass Kits) in the size (40x40) mm and (80x80) mm,
in details.
Spectral transmittance charts of color glass samples are presented.
30 November 2011
Company starts new sapphire processing equipment at the machining stock for sapphire dome production.
Sapphire dome capacity in 2012 is planned to be 5 domes of the different types monthly.
15 November 2011
We offer a new product - CO2 laser beam expander with ZnSe optics.
At present we produce two-lens beam expanders (up to 10) with up to 100 mm clear aperture.
09 November 2011
Our optical products have aroused great interest at the last exhibition "Optics 2011", especially, large-sized optics from leucosapphire with antireflection coating (AR coated sapphire domes, sapphire protective plates (antireflection broadband coated sapphire windows) with composite geometrical shape profile), AR coated optics from ZnSe, including large-sized ZnSe plates and ZnSe domes, and also standard sets of colored glass optical filters.
31 October 2011
The inexpensive plano-convex lenses from ultra-violet calcium fluoride are at our stock. CaF2 UV Grade lenses dia. 35mm (focal length 180mm) and dia. 25mm (focal length 190mm) can be used for excimer laser radiation at 248 nm.
18 October 2011
Technology of high durability antireflection coating at 1.07 microns for Super Clear Fused Silica KC-4B optics is debugged.
30 September 2011
Technology of broadband AR coating for large size leucosapphire plates is debugged.
15 September 2011
Crystaltechno Ltd. has designed and assembled new CNC controlled grinding and polishing facility for sapphire spherical domes and hyperhemispheres manufacturing. Diameters of processed domes are up to 250 mm. To minimize Fresnel losses the inner side of domes is AR coated at customer's request.
15 August 2011
Technology of CVD ZnSe growth and polishing of the large plates is debugged, ZnSe plates size - up to 350x250 mm, thickness up to 25 mm.
31 July 2011
At present time we analyze the growth results of CVD ZnSe profiled 3D-blanks in the shape of cylinder, pyramid, hypersphere and sphere.
15 July 2011
Crystaltechno participated in regular optical exhibition Laser World of Photonics 2011 in Munich.
The trade fair shows revival of market of ZnSe (zinc selenide) and sapphire optical crystals.
Many optical companies were interested in ZnSe SMTY material and blanks, significant agreements and contracts were signed.
Due to limited production of II-IV Infrared and DOW and last Se (selenium) price increase, our ZnSe blanks and sheets have now the best price-quality ratio.
Our ZnSe material is approved by European military organization for use in IR imaging systems.
More optics developers and manufacturers became prone to use sapphire optics due to unique properties of the sapphire material in visible and IR range of spectrum.
Sapphire domes, optics and large aperture windows are stable growing market in Europe.
15 June 2011
Manufacturing of the sapphire large-sized windows with a composite shape profile is debugged, sapphire windows sizes 350x350x30 mm.
31 May 2011
Quality of ZnSe lenses surface processing is improved. It has allowed to increase their limiting operational power in ��2 laser installations from 1.2 kW to 2 kW.
15 May 2011
Crystaltechno Ltd. started new wire saws to cut ZnSe sheets with blank cross section up to 260x260 mm. This allows to have better pricing for ZnSe blanks and optics.
30 April 2011
The double-band antireflection (AR) coating for lenses from zinc selenide (CVD ZnSe) was developed. Spectral transmission more than 90 % is reached for two ranges (4.0-5.5) microns and (8.0-10.8) microns simultaneously.
15 April 2011
A new technology of dome-generated CVD growth was developed on ZnSe growth facility. For the moment we produce ZnSe domes with dia. 270 mm and up to 15 mm wall thickness. The main application of ZnSe domes is common-aperture imaging systems working in the range from 0.63 to 14 microns.
21 March 2011
As result of last synthesis we have received the large-sized polycrystalline ZnSe CVD growth material (optical quality for IR spectral range) with the thickness ~20 mm. Some local parts of ZnSe ingots have the thickness up to 24 mm and can be used for manufacturing of the small diameter optics. After the cutting and processing of the zinc selenide growth material it is possible to produce the ZnSe blanks of the next sizes: diameter 250 mm x 16-18 mm thickness - 2 pieces and two parallelepipeds (200x300x17-18) mm and (300x170x17-18) mm.
20 December 2010
We've developed a manufacturing technology and a certification of spherical etalon lenses in diameter up to 100�� with F-number from F/20 to F/3,3 for Zygo interferometers. We offer services in certification of the similar etalon spherical lenses made by other manufacturers, diameter up to 100�� with F-number from F/20 to F/0,72.
10 October 2010
Our products: CaF2, BaF2, AR coated ZnSe optics (windows, meniscus, plano-convex lenses), sapphire (Al2O3) windows, fused silica (quartz) light guides were demonstrated at the Moscow Exhibition Optics-2010.
21 July 2010
At present time we are glad to inform you, that our daughter company "Elektrosteklo" became the "CVI Melles Griot" Exclusive Representative for the Russian Federation. Now we offer in Russia optical components (cylindrical lenses, etalons, mirrors, multiple element lenses, optical filters, polarizers, prisms, spherical lenses, ultra-fast components, waveplates, windows), measuring devices, lasers, opto-mechanics and so on, please see www.cvimellesgriot.com - products of the World famous company "CVI Melles Griot".
25 June 2010
For the first time our products � ZnSe spherical domes and ZnSe large size optics were demonstrated at the exhibition OPTATEC-2010 Frankfurt, Germany, Exhibition Center, 15 - 18 June, 2010.
29 April 2010
Optics for batch production and scientific workings (windows, plates, prisms, mirrors, lenses, meniscus from crystals, fused silica, quartz and glass; laser rods, optical filters from colour glass) has been presented at our stand of Moscow Exhibition Photonics-2010 (19 - 22 April) , please see photos.
25 February 2010
Crystaltechno Ltd. manufactures the optical components and checks surfaces irregularity using interferometer Zygo Mark IV and IntelliWave Software, details.
29 October 2009
Moscow Exhibition Optics-2009 (20 - 23 October) has demonstrated the increase of customers interest in optics (lenses, prisms, windows, mirrors) made from ZnSe (Zinc Selenide), optical Sapphire Al2O3, KRS-5, glass, fused silica (quartz) and crystals.
12 July 2009
We celebrate 5th anniversary since Crystaltechno represents in Russia the products of Ophir Optronics Ltd (Israel), which has been integrated with company Spiricon (USA).
We offer the products of three departments: Laser Measurement Instruments, Optics for CO2 Lasers, Infrared Optics.
26 June 2009
15-18 June Crystaltechno Ltd. participated in the world's biggest laser/optical exhibition LASER World of PHOTONICS 2009 in Munich, Germany. The most visitors were interested in our growth crystals: ZnSe (Zinc Selenide), KRS-5 (Thallium Bromide-Iodide), Sapphire Al2O3, CaF2 and BaF2, as well as the optical components (windows, lenses, prisms, mirrors, Nd:phosphate laser rods), please see photos
25 May 2009
Crystaltechno Ltd. offers New Nd: Phosphate Laser Glass LGN-0130 - the best material for high power laser systems.
24 April 2009
Moscow Exhibition Photonics-2009 (20 - 23 April) has demonstrated the increase of customers interest in optics (mirrors, lenses, prisms, windows) made from glass, fused silica (quartz) and crystals, as well in Laser measurement instruments produced by Ophir-Spiricon.
15 April 2009
Crystaltechno Ltd. manufactures polished domes from glass and crystals.
9 April 2009
Crystaltechno Ltd. manufactures plano-convex cylindrical lenses from glass and crystals, productivity up to 150-200 pieces per month.
20 October 2008
New waves! 630nm(BK7 and Calcite) and 1,07um (BK7, FS and Phosphate-doped laser rods glasses)AR coating is worked out at the coating facility. You can have more than 99% transmission at your fiber laser optics with Damage Threshold 1kWt/cm2.
10 September 2008
We'll be glad to offer you thermocouple boots D5in/8ex/L300-400. Delivery - 1 week
16 July 2008
New: UV Sapphire plates for Diode Lasers!
17 June 2008
New version of Crystaltechno LTD web-site is started. We would be very pleased anybody to direct the notes to webmaster.
02 June 2008
The important contract is signed in order of government companies collaboration. So far at the time Crystaltechno LTD can take part in all state tender competitions at the biggest RF tender site www.TRADE.su
27 March 2008
New technology of optical contact on ZnSe windows is installed. Now it's available to manufacture ZnSe windows with following specification: sides parallelism - less than 1 second, window surface quality - 40-20 S&D, ZnSe window flatness 0.2-0.3 fringes per inch. These polished ZnSe windows are used as spectrometer beamsplitters
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