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Changchun Hengyi Optics Supply Short / Long Wave And Band Pass Filters

Posted at: Offers to Sell and Export | Posted on: Wed 20 Feb, 2008 7:48 am |
 
changchun hengyi optics short wave band pass filters
Products Photos CatalogChangchun Hengyi Photos Catalog



We can supply kinds of Pass Filters such as Neutral Density Filters

Short/long wave Pass Filters



Short/long wave Pass Filters

(i)Visible Long wave Pass Filters

(ii)Visible Short Wave Pass Filters

(iii)NIR Long Wave Pass Filters

(iv)NIR Short Wave Pass Filters

Our company's Short and Long wave pass Filters exhibit a sharp transition from a spectral region of attenuation to one of transmission. these sharp-cut edge filters are distinguished by their high rate of transition between their region of reflection and transmission. This high rate of transition makes them an excellent choice as emission filters in fluorescence applications, and as order sorting filters in photometry. They are also very useful as stray light or trim filters, to eliminate any unwanted near band radiation.

Custom products

Our ability can be up to:

Material: BK7A or other meterials Diameter: 2-300mm

Diameter Tolerance: -0.10mm

Minimal Thickness:0.5mm

Parallelism: 1-3 arc minutes

Flatness: λ/10 at632.8nm

Surface Quality:20-10 scratch dig

Blocking Range:Specified by customers

Transmission Range:Specified by customers

Clear Aperture: 90% of Diameter

Bandpass Filters

(i)Narrow Bandpass Filters

(ii)Long Bandpass Filters

A bandpass filter has a transmission band surrounded by two blocking bands that allow only a portion of the spectrum to pass. The characteristics of the bandpass are controlled by multilayer dielectric coatings. Blocking is usually achieved with a combination of color filter glass and specially designed metallic films. The bandpass and blocking elements are laminated (epoxied) together to form a single unit and then edge sealed to prevent degradation due to moisture.

Custom products

Our ability can be up to:

Material: Optical glass

Diameter: 2-300mm

Diameter Tolerance: -0.10mm

Minimal Thickness:0.5mm

Parallelism: 1-3 arc minutes

Flatness: λ/10 at632.8nm

Surface Quality:20-10 scratch dig

Center Wavelength:Specified by customer



Company Contact:

No member photo
Contact Name: Hellen Lu
Company Name: Changchun Hengyi Optics Co., Ltd
Email: Email
Tel: 86-431-85299928
Fax: 86-431-85299928
Street Address: #5-9, Dongling South
Street, Changchun, Jilin, China
Website: http://www.hyoptics.net
Member name: Hyoptics
Country: China-CN China
Member Since: 20 February 2008
Total Leads: 15 Hyoptics Import Export Business Leads
Business focus: Optical Crystal, Cylindrical Lenses, Parabolic Lenses, Filters, Prisms, Beamsplitters, Polarisers, Windows, Mirrors, Spherical Lenses, Gratings
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