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Single Wavelength Dielectric Laser Mirrors
Single wavelength dielectric laser mirrors are a type of mirror designed specifically for a specific wavelength laser. Coligh manufactures multiple laser wavelength mirrors for laser systems
- Extremely high reflectivity > 99.8%
- Excellent resistance to laser damage
- Various substrate custom material options
- Optimized film design for multiple laser wavelengths and single wavelength
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Single Wavelength Dielectric Laser Mirrors Description
As a leading manufacturer of optical reflectors, our single-wavelength dielectric laser reflectors are optimized through multi-layer interference coatings to ensure that the reflectivity is greater than 99.8% at the designed wavelength.
- This high reflectivity can form high-quality optical feedback in the laser cavity, improve the output efficiency of the laser, and ensure the stable operation of the laser system.
- Our laser mirrors are specially designed for a single wavelength and form reflections at multiple typical laser wavelengths to meet the requirements of the laser industry.
- By using high-quality dielectric materials and hard coating processes, the products have extremely high laser damage thresholds and can operate stably and for a long time in high-power laser environments, enhancing the reliability and safety of the laser system.
- In addition, we also support the selection of a variety of substrate materials including fused quartz, BK7, K9, etc., allowing customers to choose the best matching solution according to their application scenarios to meet the requirements of different laser systems.
Single Wavelength Dielectric Laser Mirrors Detail Display
Laser Line Dielectric Mirrors Technical Datasheet
| Parameter | Specification |
| Reflection Wavelengths | 248 nm, 266nm, 355 nm, 532 nm, 1064 nm, 812 nm, 976 nm, 980nm 1550 nm, 633 nm, 650 nm, 808 nm, 880 nm, 915 nm |
| Reflective Bands | 213–214 nm, 260–270 nm, 515–532 nm, 633–660 nm 780–8010 nm, 1028–1040 nm, 300–320 nm, 375–430 nm, 397–405 nm |
| Average Reflectance | Ravg>99.8% |
| Laser Damage Threshold | 5 J/cm² |
| Angle of Incidence (AOI) | 0° and 45° |
| Coating & Surface Finish | One side is coated with a reflective film; the opposite side is finely ground or polished |
| Materials | K9 / UV Fused Silica |
| Surface Quality | 60/40 and 40/20 |
| Dimensional Tolerance | ±0.1 mm |
| Surface Figure | < λ/10 at 632.8 nm over each 25 mm area |
Single Wavelength Dielectric Laser Optical Mirrors Applications
Single-wavelength dielectric laser mirrors are widely used in various high-precision and high-power laser systems due to their extremely high reflectivity and low energy loss at specific wavelengths.
- Laser resonant cavity construction
In the laser cavity, the laser mirror is used as the end mirror or this side mirror of the laser cavity. The reflectivity can extend the photon life, improve the energy circulation efficiency of the laser cavity, ensure multiple round-trip reflections of the optical fiber in the laser cavity, and realize laser amplification and stable output - Spectral control
By achieving full reflection of the target wavelength, parasitic oscillation and non-target wavelength interference can be suppressed. For example, in the titanium sapphire femtosecond laser, the mirror is used to lock the central wavelength (such as 800nm) and filter out spontaneous radiation noise. - Optical communication and sensing
In the 1550nm communication band, the mirror is used to build a narrow linewidth laser to support dense wavelength division multiplexing (DWDM) technology. Achieve high-efficiency pump light recycling. - Biomedicine
In ophthalmic surgery: 532nm green light reflectors are used in retinal photocoagulation to precisely control the transmission of laser energy to the retinal blood vessels.
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