Quality control
Quality Control
Quality Inspection of Incoming Products
– Qualified trained staff is carried out quality control of incoming materials and products quality for manufacture in accordance with ISO 9001 procedures
All stages Quality Control
– Plant For Optics apply precise 100% control of all stages of the production process for an high-end quality required by the customer, using measuring tools and devices of leading companies in metrology
Test and Inspection End products
– Measurement of most common type parameters of lenses and assembled unit such
– Environmental tests
– Plant For Optics provide test reports and full documentation of our services according to customer specifications and international standards
Optical and Laser measuring devices and systems
1. Measuring microscopes
Producer, model
Mitutoyo MF-B2010D 3-axes Measuring Microscope with binocular optical tube 10х. Accessories: oculars WF 15х; 20х and objectives ML 10x, 20x, 50x;
Measuring parameter
Linear dimensions of small objects
Absolute accuracy
XY-axis:(2.2+0.02L)µm, L = Measuring length(mm) when not loaded; Z axis: (5+0,04 L)µm. By photolithography contact method for application of reticle pattern on glass substrates – widths and distances accuracy of 1 micron
Measurement range
XY and Z Stage Travel Range – 200(X) x 100(Y) x 150(Z) mm
2. Binocular microscopes
Producer, model
Euromex ZE.1624-D Modular stereo Zoom-Head binocular, 7-45x microscope
Measuring parameter
Linear dimensions of small objects
Absolute accuracy
Surface cosmetics:
– up to 5/2×0,016 acc. to ISO 10110;
– S/D= 10-5 acc. to MIL-O-13830A
Measurement range
Field of view 32 -5.1mm
Free working distance 93mm, magnifications 7 – 45x
3. Laser interferometers
Producer, model
ZYGO VeriFire XP/DG – high performance laser Fizeau phase-shifting, horizontal mounted interferometer with digital camera and precision interface
Measuring parameter
Control of shape and microtopography of flat, spherical and aspherical surfaces (SAG, RMSa, RMSi, RMSt, regular power and Irregularity)
Absolute accuracy
Repeatability of the three-flat test <2nm, λ/300; Repeatability of RMS < 0,1mm, λ/ 10 000; Fringe resolution: 180 fringes
Measurement range
Zoom range: 1:6x; Alignment/Field of view: 4 inch transmission sphere (TS) output apertures : f/0,65; f/0,75; f/1,5; f/plano
5,2 inch TS by optical connector 4″ to 4+ (5,2″): f/0,7; f/0.8; f/1,6; f/4,2; f/6,4; f/plano
6 inch TS: f/2,2; f/7,2; f/plano
Fizeau interferometer XONOX VT 1200 PS with phase shifting fringe analyzing system
Control of shape and microtopography of flat, spherical and aspherical surfaces (SAG, RMSa, RMSi, RMSt, regular power and Irregularity)
Xonox X-fiz 100 (4″) with optical connector 4″ to 4+ (5,2″), compatible with Zygo style bayonet, giving +30% more aperture for radii measurements; tip-tilt module 6″ for flat measurements.
– min. 1200mm travel (1400mm linear scale range), up to 200mm test diameter (depending on used TS and part holder) TS: f/0,7; f/0.8; f/1,6; f/4,2; f/6,4; f/plano
Non-contact ZeGage™ Plus3D Optical Profiler with Sub-Nanometer Precision for surfaces microroughness measurements from rough to polished optics
Correlates to 2D and 3D standards, and complies with international standarts surface roughness parameters. High-resolution 1 million pixel image sensor for fast areal measurements in seconds, for excellent surface detail and visualization.
Integrated autofocus and focus aid simplify part setup and minimize operator variability. Fully-automated measurement sequences and field stitching enable high resolution inspection of large areas.
4. Profilometers
Producer, model
Contact profilometer Form Talysurf PGI Optics (Phase Grating Interferometer)
Measuring parameter
Form error by small and large spherical, aspherical and diffractive optics made by optical glass and crystals
Absolute accuracy
high accuracy
Measurement range
measuring range – up to 14mm of sag with a 60mm long stylus and up to 28mm with a 120mm stylus.
5. Spectrophotometers
Producer, model
Perkin Elmer Lambda 950, double beam, double monochromator, ratio recording UV/Vis/NIR
Measuring parameter
Reflection or Transmission properties of a material as a function of wavelength
Absolute accuracy
Wavelength Accuracy
± 0,08 nm UV/Vis;
± 0,30 nm NIR
Measurement range
– Wavelength Range 175nm ÷3300nm
– Size of measured sample – from 5mm up to 150mm;
– Measurement of absolute reflection at the tilt angleof the light beam 8°÷ 70°
– Measurement of Transmission at angles 0-60°, by step 1°
Photon RT
Reflection or Transmission properties of a material as a function of wavelength
Wavelength Accuracy ±0,24 nm
– Wavelength Range: 185nm÷3500nm
– Sample size: 10mm up to 150mm
– Sample measurement of absolute Reflection at the max.tilt angle + 60°
Shimadzu IRAffinity-1
Reflection or Transmission properties of a material as a function of wavelength
Accuracy for wavelength positioning:0.1 cm-1 for 1600 cm-1;
Accuracy of the ordinate in the transmission measurement with a nominal value T = 47% of an uncoated optical component of Ge 10 mm thick: ≤ 0.25%;
Accuracy of the ordinate when measuring the passage of a cut-off filter with a nominal value T = 0%: ≤0.01%;
Ordinary accuracy for low reflection with a nominal value R <1%: ≤0.02%;
Accuracy of the ordinate when measuring high reflections (mirror coatings) with a nominal value R ≤100%: ≤0.05%
Wavelength range: 1,28 to 28.57 microns
Optomechanical and Optoelectronic measurement devices
6. Spherometers
Producer, model
Trioptics Superspherotronic HR – three-point-contact
Measuring parameter
Radii of curvature of spherical parts and test glasses
Absolute accuracy
Up to ±0.01 %
The maximum measurement accuracy depends on the sample’s radius and the ring used
Measurement range
– Radius (convex) +3 mm to ∞
– Radius (concave) -6 mm to ∞
– Travel of linear encoder±30 mm
– Diameter of part under test 6 mm to 500 mm
– Resolution of the linear encoder 0.1 µm
7. Goniometers
Producer, model
Measuring parameter
– Angle measurements of prisms and wedges
– Surface tilt errors of prism
– Wedge errors, parallelism of optical windows
– Angles of microprisms
– Pyramidal errors
Absolute accuracy
– Right Angle prisms with angles ± 3 arc min
– Roof prisms with roof angle 90° ± 3 arc sec
Measurement range
360°
Special measurement systems
Producer, model
Lenscan LS 40 and Lenscan LS 200 Low coherence interferometer with 1 tip/tilt compatable with FOGALE nanotech lenscan’s collimators
Measuring parameter
Laser non-contact measurement of the position and the center thickness of all optical elements (lenses, cubes, flats …) of an assembly along the optical axis
Absolute accuracy
±1µm
Measurement range
– Measurement range 200mm; – Working distance 250mm; – Min.measurable thickness < 30 µm (option: < 10µm) in air
OPTOTECH DZP COMPACT – Transmitted light centering test system
Centering Error According to ISO 10110
centration error up to 30 arc sec
Trioptics OptiCentric measurement system on transmission and reflection principle
Centering Error According to ISO 10110
centration error up to 30 arc sec
OTS 200 test station for single lenses and optical systems, with motorized, software controlled positioning, measuring collimator f’=200mm and vertical mounted electronic autocollimator f’=200/40
– Positive/negative focal length (EFL);
– Back focal length (BFL);
– Flange focal length (FFL);
– positive/negative radius
EFL, R, BFL, FFL: up to ±0,3%; MTF (on axis, only for positive BFL) – 3 %
– EFL, R, BFL, FFL: ±0,5mm… ±600mm,
– MTF (on axis, only for positive BFL) – 0 … 200 lp/mm – Specimen diameter up to 100 mm
Xonox CT 200 -highly precise and robust Center Thickness measurement system
Center thickness of ground, polished and coated optics in both
below Ø8mm up to Ø200mm
MTF on/off axis Inframet ORI test station for VIS, VIS/NIR, SWIR, MWIR, LWIR Objectives
MTF, EFL, BFL, distortion,
Testing and inspection of end products
Producer, model
Measurement of common type parameters of lenses and assembled units, Environmental test equipment acc. To standards ISO-10110 MIL-O-13830 MIL-C-48497 and more
Measuring parameter
Distortion, Vignetting, Relative transmittance, Temperature cycles, Relative humidity, Vibrations and shock tests
Absolute accuracy
Measurement range
Temperature cycles in range -40° to +80°; Relative humidity range 10% to 90%
