LOT-QuantumDesign
Notre partenaire Andover Corp.

Steep-edge longpass filters

from Andover

Our steep-edge long pass filters employ magnetron sputtered hard oxide coatings to yield deep rejection and a sharp transition to very high transmission. The coatings are deposited on precision polished fused silica substrates, and do not employ any absorbing filter glasses, making them suitable for high-temperature applications. They are offered in three standard sizes, with custom sizes available on request.

Caractéristiques
  • Useful for redirecting a particular band of light
  • Provide very steep (≤1%) cut-on slopes
  • Suitable for high-temperature applications
  • Can be cut or machined to smaller sizes

Specification

General Specifications
Thickness 1.5±0.25 mm
Size Tolerance +0.0/-0.2 mm
Min. Clear Aperature 85% of outside dimension
Substrate Material UV Grade Fused Silica
Flatness ≤1/4 wave/inch TWF
Surface Quality 60-40 per MIL-C-48497A
Humidity and Abrasion Per MIL-C-675A
Durability Per MIL-C-48497A
Operating Temperature -50 °C to +200 °C
Transmission ≥91% average
Rejection ≥OD 4.0
Cut-on Slope 1% maximum
Cut-on Tolerance ±1%
Mechanical Unmounted
Optional: Mounted in threaded ring - contact our expert on the right for thread sizes

All filters are available in 12,5 mm Ø, 25 mm Ø, 50 mm Ø and 50 mm SQ

50% Point Rejection Band Transmission Band Part Number
325 nm 200-315 nm 335-660 nm 325SC01
350 nm 200-340 nm 360-700 nm 350SC01
375 nm 200-365 nm 385-750 nm 375SC01
400 nm 200-390 nm 408-800 nm 400SC01
450 nm 200-440 nm 458-900 nm 450SC01
500 nm 200-490 nm 508-1000 nm 500SC01
550 nm 200-539 nm 560-1100 nm 550SC01
600 nm 200-588 nm 610-1200 nm 600SC01
650 nm 200-637 nm 660-1300 nm 650SC01
700 nm 200-686 nm 710-1400 nm 700SC01

Applications

Fluorescence
Photometry
Color Enhancement and Combining
Laser studies

Contact

Stéphane Marin
Stéphane Marin

Contact

Quantum Design S.A.R.L.

1 avenue de l’Atlantique
Bâtiment Mac Kinley
91940 Les Ulis
France

Tél. :01 69 19 49 49
Fax :01 69 19 49 30
Email :france@qd-europe.com
Stéphane MarinIngénieur Technico-Commercial et Support
01 69 19 49 49
marin@qd-europe.com