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CASTECH INC - High Precision CNC Polished Aspherical Lenses

20 products

Optics & Optical Fabrication

Clear All Filters x mid-IR x Optics & Optical Fabrication x

Right Angle Prisms
DayOptics Inc.

Type: Prisms & Wedges
Diameter / Dimension: 5 - 200mm
Bevel: 0.2mm to 0.5mm
Clear Aperture: >80%
Dimension Tolerance: +0.0, -0.2mm

Germanium Lenses
Shanghai Optics Inc.

Type: Lenses

IR Lenses
Shanghai Optics Inc.

Type: Lenses

IR Coatings: Dual-Band IR Anti-Reflection Coatings
Reynard Corporation

Type: Filters
Diameter / Dimension: 5 - 600mm
Filter Category: IR Filter
Materials: Ge, InAs, ZnS, ZnSe +
Size: Upon request
Spectral Performance: 0° AOI, f/4.3, 80K

Dual-Band Infrared Bandpass Filters
Reynard Corporation

Type: Filters
Diameter / Dimension: 0.5 - 600mm
Filter Category: IR Filter
Damage Threshold: Enhanced designs avail.
Material: Ge, InAs, ZnS, ZnSe +
Size: Custom upon request

Water Resistant Adhesives
Norland Products Inc.

Type: Adhesives

Plane Parallel Mirrors
Meller Optics Inc.

Type: Mirrors
Coating Reflectivities: >99.0% @ 10.6 MICRONS
Diameter Tolerance: +0.000″/-0.005″
Flatness: <1/40th wave at 10.6 mic

Large Mirrors
EMF

Type: Mirrors
Diameter / Dimension: 2540 - 2540mm
Mirror Category: Flat Mirror

Custom Plate Beamsplitters
Precision Glass & Optics (PG&O)

Type: Beamsplitters
Diameter / Dimension: 1 - 600mm
Beamsplitter Category: Plate Beamsplitter

IR Coatings: Custom Infrared Filters
Reynard Corporation

Type: Filters
Diameter / Dimension: 5 - 250mm
Filter Category: IR Filter
Cut on: 5% at1000 ± 25nm
Operating Temperature: -50°C to 100°C
Surface Flatness: 2 Waves per 25mm

Wire Grid Polarizer
Optometrics Corp.

Type: Other
Substrates: CaF2, ZnSe, BaF2, and Ge
Wavelength: 2.5 to 30 µm

ProIR Filters
Materion Balzers Optics

Type: Filters
Filter Category: IR Filter

Spherical Lenses
Perkins Precision Developments LLC

Type: Lenses
Diameter / Dimension: 2 - 250mm
Lens Category: Spherical Lens
Roughness: 1-3Å rms
Surface Quality: 10-5

Ball & Half Ball Lenses
Knight Optical

Type: Lenses
Diameter / Dimension: 0.15 - 30mm
Lens Category: Spherical Lens
Basic Diam. Tolerance: ±0.5 μm
Diam. Tolerance Sphericity: <0.075 μm
Surface Roughness: <0.007 μm

Polarizers
REFLEX Analytical Corp.

Type: Other

Infrared Beamsplitters
REFLEX Analytical Corp.

Type: Beamsplitters
Beamsplitter Category: Plate Beamsplitter

AC760 Acrylic Near-IR Longpass
Midwest Optical Systems Inc. (MidOpt)

Type: Filters
Filter Category: Other
Cut-on Wavelength 50% T: 760 nm
Peak Transmission: ≥90%
Thickness: 2 mm

SP644 Near-IR/MId-Red Dichroic Block Shortpass Filter
Midwest Optical Systems Inc. (MidOpt)

Type: Filters
Diameter / Dimension: 5 - 79.5mm
Filter Category: Other
Cut-Off Wavelength 50% T: 648 nm
Peak Transmission: ≥90%
Useful Range: 395-638 nm

LP1000 Near-IR Longpass Filter
Midwest Optical Systems Inc. (MidOpt)

Type: Filters
Diameter / Dimension: 5 - 165mm
Filter Category: IR Filter
Cut-On Wavelength 50% T: 1000nm
Peak Transmission: ≥90%
Useful Range: 1010-1500nm

DB550/850 Dual Bandpass Optical Filter
Midwest Optical Systems Inc. (MidOpt)

Type: Filters
Filter Category: Bandpass Filter
FWHM: 40nm, 50nm
Peak Transmission: ≥85%
Useful Range: VIS 535-565 NIR 830-870nm

Optics & Optical Fabrication Products

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