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Compact and thin, built-in high-sensitivity CMOS image sensor for Raman spectroscopy : C13054MA

Features
● Compact, thin case
● Highly accurate optical characteristics: High spectral resolution 0.4 nm
● High-sensitivity CMOS image sensor built in (high sensitivity equivalent to that of a CCD)
● With trigger function
● High throughput using quartz transmission grating
● External power supply not necessary (USB bus powered)
● Easy installation in devicesStores wavelength conversion factor*1 in internal memory
*1: A conversion factor for converting the image sensor pixel number into a wavelength. A calculation factor for converting the A/D converted count into the input light level is not provided.
 
Applications
Raman spectroscopy
 
Optical characteristics

Parameter

Specification

Unit

Spectral response range

790 to 920

nm

Spectral resolution
(FWHM)*2

Typ.

0.4

nm

Max.

0.7

Wavelength reproducibility*3

-0.2 to +0.2

nm

Wavelength temperature dependence

-0.02 to +0.02

nm/°C

Spectral stray light*2 *4

-33 max.

dB

*2: When the slit in the table in “ Structure” is used. The spectral resolution depends on the slit.
*3: Measured under constant light input conditions
*4: The ratio of the count measured when an 860 nm light is input to the count measured when an 860 ± 10 nm light is input
 
Electrical characteristics

Parameter

Specification

Unit

A/D conversion

16

bit

Integration time

11 to 100000

μs

Interface

USB 2.0

-

USB bus power current consumption

Typ.

220

mA

Max.

250

 

Structure

Parameter

Specification

Unit

Dimensions (W × D × H)

80 × 60 × 12

mm

Weight

88

g

Image sensor

High-sensitivity CMOS linear image sensor

-

Number of pixels

512

pixels

Slit*5 (H × V)

10 × 400

μm

NA*6

0.11

-

Connector for optical fiber

SMA905

-

*5: Input slit aperture size
*6: Numeric aperture (solid angle)
 
Absolute maximum ratings

Parameter

Value

Unit

Operating temperature*7

+5 to +50

°C

Storage temperature*7

-20 to +70

°C

*7: No dew condensation
When there is a temperature difference between a product and the surrounding area in high humidity environment, dew condensation may occur on the product surface. Dew condensation on the product may cause deterioration in characteristics and reliability.
Note:
Exceeding the absolute maximum ratings even momentarily may cause a drop in product quality. Always be sure to use the product within the absolute maximum ratings.
 
Spectral response (typical example)
 
Spectral resolution vs. wavelength (typical example)
Linearity (typical example)
 
Dark output vs. temperature (typical example)
 
Optical component layout
The mini-spectrometer TF series employs a transmission holographic grating made of quartz and an optical system arranged on a robust optical base to produce high throughput and highly accurate optical characteristics.

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