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Optical Head Assembly

Assembly

Near-IR LED array and camera module, mounted in optical bench. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Optical Head Assembly parts and their functions

5 top-level parts · 20 parts in total · full bill of materials below
Optical Head Assembly parts diagram: 1 near-infrared LED array, 2 InGaAs camera module, 3 bandpass optical filter, 4 projection lens group, 5 beam splitter optic. 20 parts in 5 top-level items.
Optical Head Assembly parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Near-Infrared LED Array 2 parts 1× 8–12 × 850 nm LEDs, 100 mW total power, diffuse illumination pattern.
2 InGaAs Camera Module 2 parts 1× Monochrome 640 × 512 sensor, sensitive to 800–1000 nm, global shutter.
3 Bandpass Optical Filter 2 parts 1× Passes 800–900 nm, rejects ambient visible light.
4 Projection Lens Group 2 parts 1× Achromatic doublet or triplet, forms diffuse illumination on skin.
5 Beam Splitter Optic 2 parts 1× Dichroic combiner, merges LED illumination and camera field of view.

3D model

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Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
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Bill of materials for Optical Head Assembly

5 top-level lines · 18 rows shown · 20 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Near-Infrared LED Array 2 parts vein-finder-led-array 1× 1 11 assembly
1.1 850 nm LED Element vein-finder-led-element 10× 10 · part
1.2 Current Control Resistor vein-finder-current-limiting-resistor 1× 1 · part
2 InGaAs Camera Module 2 parts vein-finder-camera-module 1× 1 2 assembly
2.1 InGaAs Image Sensor vein-finder-image-sensor 1× 1 · part
2.2 Camera Interface Electronics 1 parts vein-finder-camera-interface 1× 1 1 assembly
2.2.1 Camera Serializer IC vein-finder-camera-serializer 1× 1 · part
3 Bandpass Optical Filter 2 parts vein-finder-optical-filter 1× 1 2 assembly
3.1 Filter Glass Element vein-finder-filter-element 1× 1 · part
3.2 Filter Mounting Cell vein-finder-filter-mount 1× 1 · part
4 Projection Lens Group 2 parts vein-finder-lens-assembly 1× 1 3 assembly
4.1 Objective Lens Element vein-finder-objective-lens 1× 1 · part
4.2 Mechanical Focus Ring 2 parts vein-finder-focus-ring 1× 1 2 assembly
4.2.1 Focus Adjustment Screw vein-finder-focus-screw 1× 1 · part
4.2.2 Lock Collar / Lock Ring vein-finder-focus-lock-collar 1× 1 · part
5 Beam Splitter Optic 2 parts vein-finder-beam-splitter 1× 1 2 assembly
5.1 Dichroic Coating vein-finder-dichroic-coating 1× 1 · part
5.2 Beam Splitter Prism vein-finder-splitter-prism 1× 1 · part

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Where the optical head assembly is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $1–$80. How estimates work
VendorHQSpecialtyMOQLead time
sunnyoptical.com ↗ Ningbo, CN Optics & camera modules 1,000 pcs 8–12 wks
🇨🇳OFILM
ofilm.com ↗
Shenzhen, CN Camera modules 1,000 pcs 8–12 wks
vvdntech.com ↗ Gurugram, IN Electronics & camera modules 1,000 pcs 8–12 wks
🇨🇳Truly Opto
truly.net ↗
Shanwei, CN Displays & camera modules 1,000 pcs 8–12 wks
aactechnologies.com ↗ Singapore Acoustics & optics 1,000 pcs 8–12 wks