Filters

Bandpass Filters

Dichroic Filter

Laser Line Filter

Longpass Filter

Neutral Density (ND) Filter

Notch Filter

Shortpass Filter

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Band-Opitcs has a professional engineering team with more than 25 years of experience in the optical industry and has been engaged in the development and manufacturing of optical filters for a long time. We can provide a variety of forms of filters: circular filters, square filters, special-shaped filters.

Our CNC and laser cutting equipment can do complex shape processing of products too.

The kinds of filters are including:

• Eccentric spectroscopic filters
• Depolarizing filters
• Fluorescent filters
• Long-pass filter
• Short-pass filter

• Face recognition filters

• Enzyme label filter

• Astronomical observation filter

• UV filter
• Color sorting filter

Belows are the precision requirements that we can provide for filters:

Specifications/ Standard	Precision Grade	Factory Standard	Commercial Grade
Dimensional tolerance	+/-0.02mm	+/-0.05mm	+/-0.1mm
Thickness tolerance	+/-0.02mm	+/-0.05mm	+/-0.1mm
Radius	Infinity
Flatness	PV<1/10L	PV<1/2L	PV<1L
Surface quality	20-10	40-20	60-40
Roughness	RMS<1nm	RMS<2nm	RMS<5nm
Parallelism	<10arcsec	<30arcsec	<3arcmin
Chamfer	<0.05mm x 45deg	<0.15mm x 45deg	<0.3mm x 45deg
Coating	Filter coating

All filters are tested in our metrology laboratory and then 100% visually inspected by our QA department.

Contact our technical sales team to find out how Band Optics can help you with your enquiry.

Inquire

We have a highly skilled team that continues to design innovative new products as well as creating cost-effective solutions to meet specifications, timelines and budgets.

CONTACT INFO

Tel: +86-159-5177-5819

Email: sales@nj-optics.com

Address: Industrial Park, No. 52 Tianyuan East Ave. Nanjing City, 211100, China

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