Metrology

To deliver truly tailored optical solutions, we perform state-of-the-art quality inspection on every component we produce. Our metrology capabilities cover a full range of parameters, from detecting surface imperfections to evaluating spectral characteristics, laser-damage resistance, and absorption performance, ensuring exceptional reliability in demanding applications.

Custom Test Setups

Tailored rigs for evaluating

Retardation, extinction ratio, beam displacement, wavefront distortion, pointing stability, MTF.

Systems include

CW (460–1550 nm), pulsed (355/532/1064 nm) lasers; cavity ring-down and Shack-Hartmann modules ensuring our component works in your system

Laser & Optical Testing

Laser-Induced Damage Threshold (Outsource)

Measurement across broad laser wavelengths under ISO standard ISO 21254-1:2011

Optical Absorption (Outsource)

Measurement across main laser wavelengths (266, 355, 532, 1064 nm)

Surface & Geometric Metrology

Surface roughness determination with Atomic Force Microscopy (outsource).

Sub-angstrom (< 1 Å) surface roughness; scan area up to 0.87×0.87 mm; RMS repeatability ≤ 0.01 nm.

Interferometry (ZYGO Verifire XP/Z).

Measures flatness, wavefront distortion, parallelism, s/p polarization up to 101.6 mm clear aperture

Spherical & Radius Metrology

Transmitted/ref reference spheres; Renishaw rail for ROC from ±4 nm to ±800 mm

Profilometry (ZYGO ZeGage Pro HR)

White-light non-contact 3D scans, stitching for plano, spherical, and cylindrical surfaces; sub-ångström repeatability; parts up to 100×100×90 mm

Spectral & Polarization Characterization

Spectrophotometer (Essent Optics Photon RT)

185–3500 nm range, transmittance (T, Ts, Tp) and absolute reflectance (R, Rs, Rp), 0° –75° angles, supports polarizing cubes

Chromatis (Dispersion Measurement)

Group delay, GDD, TOD measurements at 550–1650 nm; up to 70° incidence

Dimensional & Angular Measurement

Spherometer with Centering

Measures focal length, ROC (±750 mm), EFL up to ±5000 mm; 0.05–0.3% accuracy

High-precision Goniometer

Angle testing for prisms, wedges per ISO 10110-1, VDI‑2605, DIN 3140; accuracy ~0.6 arcsec; samples to 210 mm

Coordinate & Vision Metrology

Starrett AVR300 CNC Vision System

300×200×200 mm XYZ; ±1.9 µm + 5L/1000 X/Y accuracy; ±3.5 µm + 5L/1000 Z; telecentric zoom and touch-probe options; outputs in CSV/PDF/DXF

Environmental & Durability Testing

Temp/Humidity Chamber.

−50 °C to +155 °C (±0.5 °C stability); RH 30%–95%; samples up to 290×250×240 mm. Enables testing per MIL‑PRF‑13830B, MIL‑C‑48497A, and other military standards