Table 1 A list of the major components of the system.

From: A cost-effective diffuse optical tomographic system for imaging absorbing and fluorescent targets in a scattering medium

Component name

Model number

Major parameters

Total Cost

LED

Thorlabs, LED465E

465±10 nm, FWHM 25 nm, 20 mW @ 20 mA; 5 Packs, 3 Units

~$80

Black hardboard

Thorlabs, TB4

24” x 24” (610 mm x 610 mm) and 3/16” (4.76 mm) Thick; 3 Packs, 2 Units

~$152

Structural rail

Thorlabs, XE25L15

25 mm Square Construction Rail, 15” long, 1/4”−20 taps, 4 Rails

~$92

Optical post-10”

Thorlabs, TR10

Ø1/2” Optical Post, SS, 8–32 Setscrew, 1/4”−20 Tap, L = 10”, 2 Units

~$23

Optical post-6”

Thorlabs, TR6

Ø1/2” Optical Post, SS, 8–32 Setscrew, 1/4”−20 Tap, L = 6”

~$8

Aluminum breadboard

Thorlabs, MB1824

18” x 24” x 1/2”, 1/4”−20 Taps

~$430

Post holder

Thorlabs, PH3-P5

Ø1/2” Post Holder, Spring-Loaded Hex-Locking Thumbscrew, L = 3”, 5 Packs

~$46

Mounting base

Thorlabs, BA1S-P5

1” x 2.3” x 3/8”, 5 packs

~$25

Right-angle clamp

Thorlabs, RA90-P5

Ø1/2” Posts, 3/16” Hex, 5 Packs

~$53

Plate holder

Thorlabs, FP01

0.9” Wide, Holds Plates up to 0.58” Thick, 3 units

~$170

Glass tank

Lifegard Aquatics, R460095

3 Gallons, Low Iron Glass, 8.8"L x 8.8"W x 8.8"H

~$51

UV quartz cuvette

LAB4US, 1Q010

Spectral Range: 190–2500 nm; Pathlength: 10 mm; Volume: 3.5 ml; 45 × 12.5 × 12.5 mm

~$40

Micro-cuvette

Thorlabs, CV10Q7F

700 µL microfuorescence cuvette with cap, 10 mm path length

~$230 (for two)

Digital caliper

Adoric, KC24

6”; 0–150 mm Range; +/- 0.2 mm/0.01” accuracy

~$9

Amplifier

BOJACK, LM358P

Range 3–30 V; 50 Packs;

~$7

Temperature sensor and meter

Proster, 4,333,090,752

Measuring range: −50 ~ 300℃; Accuracy: 1.5%;

~$20

Filter 1

Thorlabs, FELH0550

Ø25.0 mm Longpass filter, 550 nm wavelength

~$144

Filter 2

Thorlabs, FELH0500

Ø25.0 mm Longpass filter, 500 nm wavelength

~$144

Filter tube

Thorlabs, SM1L10-P5

1.00” Thread Depth; SM1RR Retaining Ring, 5 Packs

~$73

Printable ruler

RLVNT

https://rlvnt.life/wp-content/uploads/2022/08/RLVNT-PD-ruler-1.pdf

$0.00

Uno board

ELEGOO, EL-KIT-003

8.3 × 5.5 × 1.97 inches, Compatible with Arduino IDE, 2KB RAM, 16 MHz CPU speed

~$45

Power supply

Digikey KD3005 D

Voltage: 0–30 VDC, Current: 0–5 A

~$90

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