222nm Optical Filter High Transmission Narrow Band UV Filter

• Customization: Available
• After-sales Service: Available
• Warranty: Available
• Model NO.: S-P24O2T19101-G
• Usage: Optical
• Thickness Range: 1mm-2mm
• Color: Clear
• Type: Narrow Band
• Principle: Neutral-type Filter
• Material: Glass
• Angle of incidence: 0°
• Shape: Round
• Certification: RoHS, ISO, CE
• Customized: Customized
• Product Name: 222 Nm UV Bandpass Filter
• Center Wavelength (Cwl): 222 ± 2 Nm
• Size Range: 5-50 mm Diameter / Custom
• Thickness: 1/1.1mm
• Surface Figure: Lambda/4
• Fwhm: 10-20 Nm (Customizable)
• Blocking Range: Od2-Od4 Optional
• MOQ: 1 PCS
• Substrate Material: UV-Grade Fused Silica / Quartz
• Transport Package: as Requested
• Specification: RoHS
• Trademark: VY or OEM
• Origin: Cn
• HS Code: 9001909090
• Production Capacity: 5000000/Year
• Package Size: 12.00cm * 10.00cm * 9.00cm
• Package Gross Weight: 0.100kg

Product Description

Product Description

This 222 nm UV bandpass filter is designed for Far-UVC applications requiring high transmission at 222 nm and strong blocking in the near-UV and visible range. Made from UV-grade fused silica or quartz, the filter offers excellent stability, high UV durability, and precise spectral performance.

Features:

High transmission at 222 nm
Narrow FWHM for selective UV-C passband
Strong blocking from 250–400 nm
Durable hard coating for long service life
Excellent thermal and UV stability
Custom dimensions and spectral curves available

Applications:

Far-UVC light sources
UV-C illumination systems
Spectroscopy and detection
Optical instruments
Scientific and industrial use

Customization Options:

CWL tolerance
FWHM bandwidth
Blocking level (OD2–OD4)
Dimensions and substrate thickness
Coating durability requirements

Specification

Type	222 nm UV Bandpass Filter
Center Wavelength (CWL)	222 ± 2 nm
FWHM	10–20 nm (customizable)
Transmission Peak	> 50% or customized
Blocking Range	250–400 nm (OD2–OD4 optional)
Substrate Material	UV-grade Fused Silica / Quartz
Surface Quality	40/20 or 20/10
Size Range	5–50 mm diameter / custom
Thickness	1/1.1 mm
Coating	Hard coating, high durability

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 VY Optics could also manufacture and design other optical elements, including achromatic lens, dome lens, filter, prism, ball lens, cylindrical lens, optical mirrors, spherical lens and rod lens, we can fabricate high-precision lens as per your requested.

Company Profile

FAQ

1. Do you provide samples? Is it free or charged?
· We'd like to supply samples for free if we have it in stock, but we don't pay freight.
2. How long is your delivery time?
· Regarding inventory, it is 3 working days;
· For customized one, it's about 15-25 working days, depended on exact quantity and order date.
3. Is it possible to customize special lens?
· Yes, to customize special optical element and coating are available here.
4. How to pay?
· T/T, Ali online assurance payment, MoneyGram, West Union, Paypal and so on.
5.How to ensure the safety of payment?
· VY Optics is a reliable supplier not only audited on Ali, but also on Made-in-China, reputation and quality is life of our company, and we support Ali Trade Assurance.
6.How do you ship goods?
· Low value sample: EUB, E Express of China Post, which is cheap;
· Light weight parcel: DHL, FedEx, TNT, UPS, EMS, SF Express, China Post;
· Heavy cargo: by air or by sea, ship on pallet.

Our company enjoy a considerable discount owing to long-term cooperation with courier company.

Every details of production and communication is crucial for us, please do feel free to tell us any your question, suggestion or comment on us, it will be very helpful for us to be a worthy, trusted and reliable supplier. Thank you for visiting and stoping!

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