Various Filters And Spectroscopes

Filters

1. Infrared (IR) Shortpass Filters
Product Description: Provides high transmittance in the transmission band and a cutoff of OD ≥ 3.0 in the cutoff band. These filters have durable coatings and optical quality silicon and germanium substrates that can withstand the normal cleaning and handling associated with high-quality optical components. Ideal for many imaging and detection applications in environmental science, life science and medical diagnostics.
Specifications: Cutoff wavelengths from 3.95 to 13.3μm can cover the entire infrared spectrum.
Production capacity: Specific production capacity varies from manufacturer to manufacturer, but in general, with the continuous advancement of technology and optimization of production lines, the production capacity of filters is increasing year by year.

2. Ultra-thin short-pass filters
Product Description: Made of ultra-thin polymer and dye layers, it adopts a compact and flexible filter design. The all-plastic composition of these flexible short-pass filters makes them both shockproof and scratch-resistant. Has sharp cutoff wavelengths in the visible and near-infrared (NIR) spectra.
Specifications: Less than 500 microns thick, providing high transmittance and a blocking optical density (OD) of 2.0 outside the transmission range.
Production Capacity: With the advancement of material science and manufacturing technology, the production capacity of ultra-thin filters is also constantly improving, which can meet the needs of more application scenarios.

3. SCHOTT Colored Glass Absorption Short-Wave Pass Filters
Product Description: Using SCHOTT's KG colored glass, it has outstanding infrared radiation absorption ability. These filters can also be used as short-wave pass filters, blocking infrared radiation while passing visible light wavelengths.
Specifications: Size is 50×50mm, thickness is 1, 2 or 3mm.
Production Capacity: As a professional optical material supplier, SCHOTT has the ability to mass-produce colored glass absorption short-wave pass filters.

4. Bandpass filter (taking 850nm bandpass filter as an example)
Product Description: Only allow light in a narrow wavelength range to pass, the most common is Fabry-Perot type filter.
Specifications: center wavelength 850nm±2nm, center wavelength transmittance>85%, peak transmittance>85%, half bandwidth 30nm±2nm, cutoff area 200nm810nm, 880nm1200nm, cutoff rate T<0.01%. Various appearances, can be customized according to customer needs.
Production capacity: With the rapid development of the optoelectronic industry, the production capacity of bandpass filters is also constantly improving, which can meet the needs of various application scenarios such as high-definition digital cameras, fluorescence analyzers, and cable TV upgrade equipment.

Beam splitter

1. Polarizing Beam Splitter
Product description: When the incident angle meets the Brewster angle condition, the reflectivity of polarized light P is 0, and the control film layer makes the reflectivity of polarized light s close to 1, and the transmittance of polarized light p close to 1. Used for splitting and imaging.
Specifications: The specific specifications vary depending on the application requirements, but generally speaking, the reflected and transmitted light paths of the beam splitter are equal.
Production capacity: With the advancement of optical manufacturing technology, the production capacity of polarizing beam splitters is also constantly improving, which can meet the needs of more high-precision optical systems.

2. Depolarizing Beam Splitter
Product Description: Without changing the polarization state of the incident light, the incident light is divided into a transmitted beam and a reflected beam according to the calibrated splitting ratio.
Specifications: The specific specifications vary according to application requirements.
Production capacity: The production capacity of depolarizing beam splitters is limited by the level of materials, processes and technology, but with the continuous advancement of related technologies, its production capacity is also gradually improving.

3. Broadband Elliptical Plate Beamsplitters
Product Description: It can be easily and accurately installed in various circular lens barrels, saving space and producing circular light spots.
Specifications: Usually used at a 45° tilt, one side is coated with a beam splitter film, and the other side is coated with an anti-reflection film. It is light in weight, moderately priced, and relatively easy to make.
Production capacity: The production capacity of elliptical broadband beamsplitter plates is affected by many factors such as material supply, production process and market demand. With the rapid development of the optoelectronic industry, its production capacity is also constantly improving.

4. UV Wedge Plate Beamsplitter and IR Wedge Beam Splitter
Product Description: Both types of beamsplitter wedges can split the incident light into reflected light and transmitted light, and are coated with beam splitter and anti-reflection coatings. The UV beamsplitter wedge is made of UV fused quartz glass, which has a wider spectral range and excellent transmittance; the IR beamsplitter wedge is suitable for applications in the infrared band.
Specifications: The specific specifications vary depending on the application requirements, but generally provide a variety of beam splitting ratios and anti-reflection coating options.
Production capacity: With the advancement of material science and optical manufacturing technology, the production capacity of UV beamsplitter wedges and IR beamsplitter wedges is also constantly improving, which can meet the needs of more application scenarios.