Dispersive Mirrors

Dispersive Mirrors | PP-UVFS-25.4-6.35-GTI7+

Name: PP-UVFS-25.4-6.35-GTI7+
Brand: Optoman
SKU: PAN7740
Price: 200.0 EUR
Availability: InStock

€200,00

Qty 5+ > €190,00/piece
Qty 10+ > €170,00/piece
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CUSTOMIZED

Substrate material: UVFS (Corning 7980 0F)
Diameter: 25.4 mm +0/-0.1 mm
Thickness: 6.35 mm +/-0.1 mm
Clear aperture: 20 mm
Surface quality, S1: 10-5 S-D per CA
Surface Flatness, S1: <λ/10 @633 nm over any 10 mm dia within CA
Parallelism: 10 arcsec
Protective chamfers: 0.2-0.4 mm x 45°
Chips: 0.2 mm
Arrow Marks: Indicates to S1 (pencil)
Substrate Shape: Plano S1/Plano S2
Coatings (IBS):
S1: Rp & Rs >99.8% @ 1010 - 1050 nm, AOI=0-10 deg
GDD, S1: GDD_avg=-400 fs^2 +/-100 fs^2 @ 1025 - 1055 nm, AOI=0-10 deg
S2: Uncoated

Inspection Report

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OPTOMAN’s IBS-coated GTI Mirrors are designed to introduce precise negative Group Delay Dispersion (GDD) through resonant interference, making them essential for dispersion control in ultrafast laser systems. Such mirrors operate on the Gires–Tournois interferometer principle, where dispersion is achieved by interference between a partial reflector and a highly reflective back layer within the mirror structure. This design enables strong, angle-dependent dispersion while maintaining high reflectivity.
These mirrors are optimized for Yb:YAG I harmonic operation at 1030 nm and a 0-10° angle of incidence, offering high reflectivity and consistent performance with GDD value at -400 fs^2.