Optics - Reflectors

Image	Part Number	Description / PDF	Quantity	Rfq
	CN12966_LENINA-XW LEDiL	PACK ROUND 1 POS 74MM D 46.5MMH	0
	CN12704_LENINA-M-DL LEDiL	REFLECTOR 74MM RND 47.5MM	0
	CN12930_LENA-M-DL LEDiL	PACK ROUND 1 POS 111MM D 88.1MMH	0
	CN12922_LENINA-M-DL LEDiL	REFLECTOR 74MM RND 46.95MM	0
	CN12647_LENINA-S-DL LEDiL	REFLECTOR 74MM RND 47.7MM	0
	FCN13704_ANGELA-W LEDiL	PACK ROUND 1 POS 119.5MM D 79.31	0
	CN13113_LENINA-S-DL LEDiL	PACK ROUND 1 POS 74MM D 46.4MMH	0
	CN13193_LENA-WAS LEDiL	PACK ROUND 1 POS 111MM D 39.6MMH	0
	C10979_LILY-W LEDiL	REFLECTOR FOR LUMINUS SST50 LEDS	0
	CN12303_LENA-W LEDiL	LENS ASSY 1POS 111MM RND 85.6MM	0
	CN13261_LENA-SS-DL LEDiL	PACK ROUND 1 POS 111MM D 88.1MMH	0
	CA12534_LAURA-REF-W-PIN LEDiL	REFLECTOR 21.6MM SQ 13.1MM	0
	CN12934_LENINA-W LEDiL	PACK ROUND 1 POS 74MM D 46.5MMH	0
	CN13920_MIRELLA-50-M-PF-VERO13 LEDiL	REFL PACK RND 49.9MM 24MM MED	0
	CN12703_LENINA-S-DL LEDiL	REFLECTOR 74MM RND 47.5MM	0
	FCA12776_IRIS-O LEDiL	ASSEMBLY ROUND 1 POS 38MM D 29.2	0
	CN12927_LENA-M LEDiL	PACK ROUND 1 POS 111MM D 86.5MMH	0
	C12181_BERTHA1-TYPE3-M-TOP LEDiL	REFLECTOR ASSEMBLY	0
	CX12983_LAURA-R-XW LEDiL	PACK SQUARE 1 POS 21.6 + 21.6MM	0
	CN12974_LENINA-XW-DL LEDiL	PACK ROUND 1 POS 74MM D 48.35MMH	0

Optics - Reflectors

1. Overview

Reflectors in optoelectronics are optical components designed to redirect electromagnetic radiation (typically visible or infrared light) through reflection. These components maintain light coherence, intensity, and polarization while enabling beam shaping, signal modulation, and energy distribution. Modern applications include laser systems, imaging devices, telecommunications, and sensing technologies.

2. Major Types and Functional Classification

Type	Functional Characteristics	Application Examples
Mirror Reflectors	Highly polished surfaces with metallic/dielectric coatings for broadband/narrowband reflection	Laser resonators, telescopes, industrial cutting systems
Diffractive Reflectors	Micro-structured surfaces using diffraction gratings for wavelength-specific dispersion	Spectroscopy, optical networking, AR/VR headsets
Corner Cube Reflectors	Trihedral prism geometry ensuring retroreflection at arbitrary incident angles	LIDAR systems, distance measurement, aerospace navigation
Parabolic Reflectors	Curved surfaces focusing parallel rays to a single point	Telescopes, satellite dishes, medical imaging systems

3. Structural Composition

Typical reflectors consist of: - Substrate: Glass, silicon, or metal (e.g., aluminum, copper) for mechanical stability - Coating Layer: Dielectric stacks (SiO /TiO ) or metallic films (Ag/Au) for enhanced reflectivity - Protective Layer: Scratch-resistant overcoats (e.g., diamond-like carbon) - Mounting Interface: Precision-machined frames for angular adjustment ( 0.1 typical tolerance)

4. Key Technical Parameters

Parameter	Importance
Reflectivity (%@ )	Directly affects system efficiency and signal-to-noise ratio
Surface Flatness ( /10@633nm)	Determines beam wavefront distortion
Angle of Incidence Range	Defines operational flexibility in beam steering
Damage Threshold (J/cm )	Limits maximum power handling capability
Thermal Stability ( R/ T)	Ensures performance consistency under temperature variations

5. Application Fields

Key industries and equipment: - Telecommunications: Fiber optic switches, WDM systems - Medical: Endoscopic imaging, laser surgery platforms - Industrial: Laser cutting machines, 3D scanning systems - Defense: Targeting systems, infrared countermeasures - Consumer Electronics: Projection displays, biometric sensors

6. Leading Manufacturers and Products

Manufacturer	Representative Product
Edmund Optics	59-875 C Series Corner Cube Retroreflector
Thorlabs	PF10-03-F01 Broadband Dielectric Mirror
II-VI Incorporated	48-8820 High-Reflection Coated Silicon Mirror
Hamamatsu Photonics	C10810 Parabolic Mirror for UV-Vis-NIR Applications

7. Selection Guidelines

Key considerations: - Match reflectivity range to source wavelength (e.g., 90% @1064nm for Nd:YAG lasers) - Evaluate environmental requirements (humidity, vibration, temperature extremes) - Confirm angular tolerance compatibility with optical system NA - Assess coating durability (e.g., abrasion resistance for field-deployed sensors) - Consider size-to-performance trade-offs (e.g., 25.4mm vs 50.8mm diameter mirrors)

8. Industry Trends

Emerging developments include: - Metamaterial-based perfect reflectors ( _r= _r=-1) - MEMS-integrated tunable reflectors ( 5 dynamic steering) - Ultra-thin (<10 m) graphene-coated reflective surfaces - AI-optimized freeform reflector designs - High-energy laser (HEL) compatible components (100kW+ threshold)