Description
The DCM Mirror Pairs from Novanta’s venteon optics range are precision-engineered components tailored for femtosecond pulse management and Group Delay Dispersion (GDD) compensation. Designed specifically for use with few-cycle laser systems, these mirrors offer exceptional reflectivity (>99%) across their supported spectral bandwidth and deliver highly controlled negative dispersion for optimal pulse compression.
Manufactured with high damage threshold coatings and fused silica substrates, each mirror pair is optimized for specific compensation requirements based on wavelength and material properties such as CaF₂, BBO, and fused silica. When integrated into a pulse compressor setup alongside dispersion-matching glass wedges, these mirrors enable compression of femtosecond pulses nearly to their transform limit.
In contrast to traditional compensation setups using prisms or gratings, DCM mirrors allow for compact, robust, and efficient designs with fewer components—ideal for cutting-edge research and commercial ultrafast systems.
DCM Dispersion Compensating Mirror Pairs for Femtosecond Pulse Compression
Specifications
| DCM7 Wavelength Range: | 650-1200 nm |
|---|---|
| Reflectivity (DCM7, DCM9, DCM10, DCM11, DCM12): | >99.2% |
| DCM7 GDD/Pair: | -120 fs^2 @ 800 nm |
| DCM9 Wavelength Range: | 450-950 nm |
| DCM9 GDD/Pair: | -55 fs^2 @ 700 nm |
| DCM10 Wavelength Range: | 500-825nm |
| DCM10 GDD/Pair: | -100 fs^2 @ 650 nm |
| DCM11 Wavelength Range: | 650-1050 nm |
| DCM11 GDD/Pair: | -120 fs^2 @ 850 nm |
| DCM12 Wavelength Range: | 400-680 nm |
| DCM12 GDD/Pair: | -80 fs^2 @ 550 nm |
| CM-2 Wavelength Range: | 740-940 nm |
| CM-2 Reflectivity: | >99.6% |
| CM-2 GDD/Pair: | -220 fs^2 @ 800 nm |
| Enhanced Silver Mirror Wavelength Range: | 550-1500 nm |
| Enhanced Silver Mirror Reflectivity: | >99% |
| Enhanced Silver Mirror GDD/Pair: | ±12 fs^2 |
| Enhanced Silver Mirror “Blue” Wavelength Range: | 450-1300 nm |
| Enhanced Silver Mirror “Blue” Reflectivity: | >97% |
| Enhanced Silver Mirror “Blue” GDD/Pair: | ±12 fs^2 |
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Features
- >99% Reflectivity: Across wide spectral bandwidths for minimal optical losses
- Flat GDD Profiles: Carefully engineered to provide well-defined negative dispersion for specific materials
- High Damage Threshold: Ensures reliability in high-intensity femtosecond laser systems
- Material-Specific Compensation: Optimized for use with CaF₂, BBO, and fused silica targets
- Compact Integration: Enables simpler and more robust compressor setups compared to prism or grating alternatives
- Angle of Incidence (AOI): Designed for performance at 7° AOI under p-polarization
Applications
- Femtosecond Pulse Compression in ultrafast laser systems
- Group Delay Dispersion Compensation for broadband and few-cycle pulses
- Optical Research and Development in spectroscopy, microscopy, and materials science
- Chirped Pulse Amplification Systems requiring minimal pulse broadening
- Ultrafast Oscillators and commercial laser platforms targeting sub-5 fs performance
Frequently Asked Questions
What are DCM mirrors used for?
How do DCM mirrors compare to prism or grating compressors?
What materials are the DCM mirrors optimized for?
What is the typical reflectivity of DCM mirrors?
Can DCM mirrors be used in sub-5 fs applications?
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