Andover manufactures a diverse set of bandpass filters that cover a wide wavelength range from ultraviolet to near-infrared.
■ Standard Band Pass Filter (Standard Product) - Soft coating - Wavelength: 193–1665nm - Bandwidth: 1–100nm - Blocking: OD4, UV-FIR - Size: 12.5mm / 25mm / 50mm ■ Semi-Custom Band Pass Filter - Hard coating - Wavelength: 214–2400nm - Bandwidth: 0.15–100nm - Blocking: 1μm, FIR - Size: 12.5mm / 25mm / 50mm * Required information for inquiries: Center wavelength, bandwidth, block wavelength, quantity ■ Hard Coated, Narrow Bandwidth Band Pass Filter - Hard coating - Wavelength: 334–1550nm - Bandwidth: 10nm - Blocking: OD4 (average), Blocking 200–1200nm (for 1550nm up to 1800nm) - Size: 25mm ■ Hard Coated, Broadband Width Band Pass Filter - Hard coating - Wavelength: 345–785nm - Bandwidth: 80–300nm - Blocking: OD4 (average), Blocking to be checked - Size: 12.5mm / 25mm / 50mm
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basic information
Andover Corporation ■ Conducts a complete series of manufacturing processes in-house, including thin film coating, mechanical design, substrate manufacturing and polishing, and inspection. ■ Handles various substrate materials such as germanium, sapphire, silicon, zinc sulfide, and zinc selenide. ■ Stocks a variety of infrared light transmission substrates, all of which are optically polished. ■ These substrates can be coated with AR (anti-reflective) coatings.
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■Spectroscopy ■Analysis ■Bio, etc.
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■New products related to barcodes ■Laser diode related ■We accept orders for optical fiber connector processing. *We are currently accepting orders for communication and large diameter connectors with short delivery times! ■Manufacturing of ultra-stabilized LD modules and light source devices ■Import and sales of various semiconductor lasers ■Import and sales of optical modulators and optical peripheral components ■Other import and sales of scientific and analytical instruments and parts