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12.7mm Optical Glass Filters Birefringent Lyot Filter For Solar Astronomy

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12.7mm Optical Glass Filters Birefringent Lyot Filter For Solar Astronomy

Brand Name : STAR OPTIC

Model Number : LYF

Certification : RoHS, ISO9001

Place of Origin : Wuhan, China

MOQ : Negotiable

Price : Negotiable

Payment Terms : T/T, Western Union, Paypal

Supply Ability : 50000pcs/Month

Delivery Time : Negotiable

Packaging Details : Safe and dust-free packing

Product Name : Lyot Filter/Birefringent Filter

Material : Birefringent crystals crystal quartz, MgF2

optical axis : parallel to the surface plane

Applications : solar astronomy

Diameter : 12.7mm, 25.4mm

Surface : Uncoated, AR coatings available

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Lyot Filter, Birefringent Filter, Birefringent Tuners

Overview:

A Lyot Filter (Birefringent Filter), named for its inventor Bernard Lyot, is a type of optical filter that uses birefringence to produce a narrow passband of transmitted wavelengths. Lyot filters are often used in astronomy, particularly for solar astronomy.

Lyot filters (Birefringent tuners) for wavelength tuning of lasers are made of crystal quartz (Transmission ranges: 200 nm-2700 nm) or MgF2 (Transmission ranges: 150 nm-6000 nm) and their optical axis can be parallel to the surface plane or at customized angle.

A Lyot filter is made from one or more birefringent plates (usually quartz), with (in multi-plate filters) each plate being half the thickness of the previous one. Standard thicknesses ranging from 0.5 mm to 10 mm and diameter of 12.7mm(1/2 inch) and 25.4 mm (1 inch) are available from stock. Star Optic offers both uncoated and AR-coated birefringent filters. These can be used at Brewster angle Lyot filter configuration (no Fresnel reflection losses), or in a customer-specific design.




General Specifications Of Lyot Filter (Birefringent Filter):

Material Crystal Quartz, MgF2
Dimension Tolerance +0/-0.2mm
Thickness Tolerance ±0.005mm
Surface Quality 20/10 scratch and dig
Clear Aperture >90%
Wavefront Distortion <λ/8@632.8nm
Parallelism <5 arc seconds
Thickness T=0.5mm, 1mm, 1.5mm, 2.0mm
Coating Uncoated, Available




Standard Products Of Lyot Filter (Birefringent Filter):

Part Number Material

Dimension
(mm)

Thickness
(mm)
LYF12-0.5 Crystal Quartz 12.7 0.5
LYF12-1 Crystal Quartz 12.7 1
LYF12-2 Crystal Quartz 12.7 2
LYF12-4 Crystal Quartz 12.7 4
LYF25-0.5 Crystal Quartz 25.4 0.5
LYF25-1 Crystal Quartz 25.4 1
LYF25-2 Crystal Quartz 25.4 2
LYF25-4 Crystal Quartz 25.4 4


Product Tags:

12.7mm Optical Glass Filters

      

Birefringent Lyot Filter 12.7mm

      

Optical Glass Filters Birefringent

      
China 12.7mm Optical Glass Filters Birefringent Lyot Filter For Solar Astronomy wholesale

12.7mm Optical Glass Filters Birefringent Lyot Filter For Solar Astronomy Images

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