Infrared laser reflector
The company can provide full-dimensional customization services based on the actual application scenarios of customers, from optical design, substrate selection, coating process to performance testing, one-to-one technical connection throughout the entire process, precisely matching the individualized parameter requirements of customers. It is compatible with near-infrared, mid-infrared, and far-infrared bands, featuring ultra-high reflectivity, excellent laser damage threshold, and precise surface shape control. It can withstand strong laser irradiation for a long time, effectively suppress subsurface damage and coating defects, and is widely used in infrared laser processing, infrared laser detection, infrared optical imaging, industrial laser systems, scientific research laser devices, etc. Provide highly reliable core supporting solutions for all kinds of infrared optical systems.
Core Product Advantages
1.Full band fit, excellent reflection performance:
Customized coating solutions for near-infrared (780nm-1μm), mid-infrared (1μm-10μm), and far-infrared (above 10μm), advanced coating technologies such as electron beam evaporation, double ion beam sputtering, magnetron sputtering, combined with laser pretreatment, film annealing, ion beam post-treatment and other processes to achieve ultra-high reflectance for each infrared band, The spectral response is stable and the stray reflection is low, effectively guaranteeing the laser transmission efficiency.
2.High damage resistance and long life, suitable for strong laser conditions:
From high-purity substrate selection (fused silica, silicon, germanium, zinc selenide, etc.) to precision optical processing and rigorous post-treatment processes, the entire process is systematically controlled from multiple dimensions such as substrate quality, processing quality, coating quality, surface cleanliness control, etc., effectively suppressing defects such as scratches, pitting, subsurface damage, the product has industry-leading laser damage threshold, It can withstand strong laser irradiation for a long time and significantly reduce system maintenance costs.
3.Precise surface shape control, accurate imaging transmission:
Through precise milling and grinding, multi-pass polishing, full-band detection by Zygo MST 12 interferometer and other processes, the accuracy and finish of the reflective surface shape are strictly controlled, with a high proportion of the light-transmitting aperture effectively reducing wavefront distortion during laser transmission, ensuring the accuracy of infrared laser imaging and transmission, and meeting the requirements of high-precision optical systems.
4.Strict quality control throughout the entire process, high performance consistency:
Equipped with a full set of optical inspection equipment to achieve full-dimensional performance verification such as film weak absorption/temperature rise detection, high-precision surface shape/profile measurement, high scattering test, surface wettability measurement, high reflectance precision detection, from raw material entry to finished product exit, every process is strictly inspected to ensure high consistency of product parameters, Adapted to the long-term stable operation requirements of industrial-grade and research-grade laser systems.
5.Outstanding customization capabilities, tailored to personalized requirements:
Based on the customer's application scenarios, laser parameters, installation requirements, core parameters such as base material, incident Angle, reflection band, surface shape accuracy, size specification, etc. can be customized to create an exclusive infrared laser reflector solution to meet personalized application requirements under special working conditions.
Core features of standard products
Coating process:
Electron beam evaporation/double ion beam sputtering/magnetron sputtering hard film, strong adhesion, high hardness, wear resistance
Surface finish:
Up to 20-10 scratch-dig, surface impurities and defects are strictly controlled
Surface shape accuracy:
PV 1/8 to 1/10@633nm, with minimal wavefront distortion
Aperture of light transmission:
≥95%, large effective utilization area
Quality control:
Non-destructive testing throughout the entire process, with core parameters such as reflectance, damage threshold, and surface shape verified before leaving the factory
Application compatibility:
Compatible with different laser types such as continuous laser and pulsed laser, to meet the needs of industrial, scientific research and other multi-scenario applications
Custom parameter table for infrared laser reflectors
Customized category | Customizable parameter range | Common Selection References | Notes |
Adapted band | Near-infrared: 780nm-1μm Mid-infrared: 1μm-10μm Far-infrared: 10μm-20μm | 808nm, 980nm, 1064nm, 1030nm, 1550nm, 3μm, 5μm, 10.6μm | Customizable narrowband/wideband reflection requirements |
Base material | Fused quartz, single crystal silicon, germanium (Ge), zinc selenide (ZnSe), zinc sulfide (ZnS), calcium fluoride (CaF₂) | Fused quartz (near infrared), silicon/germanium (mid-infrared), zinc selenide (far infrared) | Match band transmittance and mechanical properties as needed |
Incident Angle | 0°, 15°, 30°, 45°, 60° and any custom Angle | 0° (vertical incident), 45° (deflection incident) | Common angles for mainstream optical systems |
Reflectance requirements | Regular: ≥98% Altitude sickness: ≥99.0% to 99.9% | Industrial grade ≥98%, scientific grade ≥99.5% | Ultra-high reflectivity indicators can be customized as required |
Surface shape accuracy | PV: 1/5 to 1/20@633nm RMS: 0.01 to 0.06λ@633nm | Industrial grade PV 1/8@633nm, scientific grade PV 1/15@633nm | The higher the precision, the more suitable it is for higher precision optical systems |
Laser damage threshold | Pulsed laser: ≥1 to 20J/cm² (1-on-1) Continuous laser: ≥10 to 500MW/cm² (S-on-1) | Pulsed laser ≥5J/cm², continuous laser ≥100MW/cm² | Match the laser power/pulse width parameters as needed |
Size specifications | Round: φ5mm to φ200mm Square: 5×5mm to 150×150mm Thickness: 1mm to 20mm | Round φ25.4mm, φ50.8mm; Thickness: 3mm, 5mm | Customizable irregular sizes and special thicknesses |
Surface finish | 10-5, 20-10, 40-20 scratch-dig | Industrial grade 40-20, precision grade 20-10, ultra high precision grade 10-5 | The smaller the number, the higher the surface quality |
Aperture of light passage | Acuity 80% ~ 98% or higher | Conventional ≥95%, high-precision systems ≥98% | Light transmission ratio customizes on demand |
Additional processes | Anti-transparent edges, chamfering, protective film coating, and special clean packaging | Chamfering C0.2mm, C0.5mm; Vacuum clean packaging | Fit for installation and storage requirements |
Quality assurance and testing capabilities
The company has a full set of optical inspection equipment and a complete inspection system to conduct all-round inspection and verification of core parameters such as reflectance, surface shape accuracy, surface finish, film weak absorption/temperature rise, scattering characteristics, surface wettability, film adhesion of infrared laser mirrors to ensure that every product meets customer parameter requirements and industry standards:
High-precision surface shape measurement:
Zygo MST 12 interferometer for precise detection of surface shape PV and RMS
Reflectance detection:
CRD high reflectance meter for high-precision testing of reflectance across all bands
Surface quality inspection:
VHX-7000 digital optical microscope for precise detection of surface defects and impurity pointsFilm performance testing: Weak Absorption Tester (PCI-TR), Infrared camera temperature rise test, Scattering instrument (BRDF/BTDF/TIS)
Profile and roughness testing:
Non-contact profilometer, atomic force microscope for precise measurement of surface roughness and film step
