Lambda 850+ (UV-VIS)

Galerie et schémas techniques

Description

Caractéristiques

• L’une des plus haute performance
• Répond aux normes industrielles
• Flexible
• Commode

Spécifications techniques

P

(800) 762-4000 or

PMT

ca. 0-5 A

√

√ √ √ 17

Mount

Sample Holder Kit Feed Kit

Poids

77.0 kg

Holder

Transmittance Bench Reference

Sample

Variable Angle Optical Fiber Optic

sample

standard plate

B0071519

Uncalibrated Flat Al mirror 40 mm square with MgF2 protective

B0137314

specular reflectance √ √ √ √ 16

B0152471

directed √ √ √ √ 15

B0505975

Calibrated Flat Al mirror 40 mm square with MgF2 protective layer,

L6020202

Accessory (URA) 1

L6020208

absolute, PbS

L6020209

√ √ √ √ 1 √ 1 √ 1 √ √ 1 11

L6020318

1.25" uncalibrated Spectralon® reflectance standard

L6020319

2.00" uncalibrated Spectralon® reflectance standard

L6025022

Uncalibrated Flat Al mirror 30 mm square with MgF2 protective

PELA1000

150 mm Sphere

PELA1001

√ √ √ √ √ 1 √ √ 1 √ √ √ 9

PELA1003

with 60 mm sphere

PELA9010

Set of 4 calibrated 1.25" diameter diffuse reflectance standards,

PELA9011

Set of 4 calibrated 2.00" diameter diffuse reflectance standards,

PELA9012

Set of 8 calibrated 1.25" diameter diffuse reflectance standards,

PELA9013

Set of 8 calibrated 2.00" diameter diffuse reflectance standards,

PELA9019

Set of 4 calibrated 2" diameter diffuse color standards.

PELA9057

1.25" calibrated Spectralon® reflectance standard

PELA9058

2.00" calibrated Spectralon® reflectance standard

Part No.

Description

Specular

Flat Mirror Short Beam

Accessory

Accessory Reflectance Accessory

Interface

Tungsten-halogen et Deuterium

(PELA1025)

(PELA1026) Accessory (B0086703)

Compatible

21 CFR Part 11

Reflectance

Kit Focal Blocker

dimensions.

(LAMBDA 950).

(LAMBDA 950)

8-65˚ specular

60 mm Sphere

√ √ √ √ 1 √ 1 √ 1 √ √ 1 √ 2 √ 2 √ 11

PbS Detector

solar characterization of

(LAMBDA 1050)

Universal Reflectance

150 mm Sphere

√ √ √ √ 3 √ 1 √ 1 √ 1 √ √ 1 √ √ √ 8

Transmittance

20 cm high x 20 cm wide x 14 cm thick

B0086703 (6˚)

Relative specular

PELA1002 (XXL)

(dual compartment)

Reference Beam

measurement of photographic

The Technology

portion (Figure 7) can be measured independently. The latter

45˚ High Angle

80˚ Grazing Angle Variable Angle 6˚ Near Normal

N1016030 (30˚)

VN absolute specular

N1016045 (45˚)

reflectance

PELA1025 (45˚)

reflectance √ √ 16

to be produced.

55 mm x 55 mm maximum

Reflectance only

380-780 nm (references only allows

Temperature max.

35 °C

Temperature min.

15 °C

solid materials.

Specular reflectance accessories measure the reflectance of

Absolute Specular

Universal Reflectance Accessory.

Gamme opératoire

175 – 900 nm

Transmission Port

Reflectance Port with

3. Common Beam Mask

8. High Sensitivity PMT and Temperature Stabilized PbS Detectors

Integrating Spheres

that are demanding to align such as VN and VW specular

Reflectance Factors

99%, 80%, 60%, 40%, 20%, 10%, 5%, 2%

Specular light port

PbS Detectors

significant errors.

• Absorbance Range:

sizes are available

150 mm and 60 mm. All spheres operate

the following pages.

• Absorbance Range:

Set includes one each

orange, purple, cyan, and violet

CompartmentCompartment

Specular ReflectanceRefl. Incl. TransmittanceReflectanceIncluded/Excluded

Transmission Port with

Reflectance Port open

Product Selection Guide

6

Spectroscopy Technology

5

60 mm Spectralon®Sphere

Figure 11. InGaAs sphere linearity (glass filters 1400-1500 nm).

60 mm Sphere Accessories

11

Spectroscopy Accessories

the flexibility of the accessory. Optional center mount

materials in appearance.

at a fixed, defined angle, e.g. 6, 45 or 80 degrees.

150 mm Sphere Accessories

PELA1001 Downward Viewing 150 mm Sphere

60 mm Integrating Spheres

Features

is shipped with 6 mirrors

2 of 1.5 x 1 inch toriod; 2 of

measured absorbance with-

sphere provide large forgiving targets for the sample and

out an integrating sphere

reference beams.

Temperature Stabilized PbS

ca. 0-3 A

Temperature stabilized PbS

Accessory (PELA1016).

Transmittance Measurements

measure in two or more of the categories discussed.

and therefore the level of

compartment with a collection sphere accessory greatly

scattering is increased, the

simplifies this alignment task. Entrance ports of the collection

3 stage Peltier cooled InGaAs

ca. 0-5 A

Optional Accessory Components

18

on a wide variety of samples.

Long path optics

ments of birefringent samples.

(shown), 60 mm and 150 mm integrating spheres and the Universal

(N1016045) and 60˚ (N1016060).

URA utilizes a modified version of the VN geometry.

Diffuse Reflectance Measurements

Figure 6. Total reflectance.

0˚ / 45˚ Reflectance Accessories

15

General Purpose Optical Bench (GPOB)

Features

4. Common Beam Depolarizer (Optional)

9. Second Sampling Area

For ultra-low stray light performance.

Allows easy access to a wide variety of sampling accessories and sample types.

L6020328 (InGaAs) Optical Bench (GPOB)

4 4 4

Absolute Specular Reflectance Accessories

Features

General Purpose Optical Bench Accessories

12

Relative Specular Reflectance Accessories

As the angle of incidence is increased to near 90˚, these

LAMBDA High Performance Spectrometer Series

3

2. Double Holographic Grating Monochromators

7. Largest Sample Compartment in the Industry

(UIRS-94-010) are included with the accessory.

Sphere Accessory.

1. Deuterium and Tungsten Halogen Light sources

6. Sample and Reference Beam Attenuators

Specular reflectance measurement of mirror-like

of the accessory. These accessories measure the reflectance

The LAMBDA High Performance Spectrometer Series

especially in the NIR region, users can now handle a wider

and reference, increasing measurement accuracy.

Temperature Stabilized PbS Detectors

bandpass available with high end spectrometers.

Reflectance Sample

around the world and customers who need accurate

No aspect of the spectrometer design has been compromised,

(LAMBDA 750, LAMBDA 950 and the recently introduced

The LAMBDA 650 and LAMBDA 750 are instruments ideally

Five absolute reflectance accessories are available

a fixed • Principle:

ments designed for the most demanding applications.

perform measurement of liquids, gels, and solid materials

InGaAs GPOB (L6020328) 3-stage Peltier cooled InGaAs

ca. 0-5 A

ples at incident angles of 15˚ to 70˚ from normal.

Low cost alternatives to absolute specular reflectance

sphere-related accessories developed by Labsphere®.

the need for a reference material.

Each of these measurement categories are addressed by

The measurements can be either relative to a calibrated

It is also unsuitable for samples of low reflectance.

Fixed angle VW – 20 mm x 20 mm

dual compartment accessory featuring a 60 mm moveable

60 mm moveable Spectralon® collection sphere

flexibility of sampling, along with high performance.

• Absolute Specular Reflectance Accessories

measurement of their samples in a variety of ordinate

resulting in the highest performing UV/Vis and UV/Vis/NIR

transmission and reflectance measurements. Two sphere

General Purpose Optical Bench (GPOB)

LAMBDA 1050) Spectrometers provide a family of instru-

suited for busy academic and industrial laboratories that

light. Figure 2 shows a polymethyl methacrylate (PMMA)

to move light around the optical bench to collect the reflected

measurement. Each component has a magnetized base that

Reflective collection optics

reflectance measurements. The configuration is ideally

60 mm Sphere Transmittance: 120 x 150 mm

This is advantageous for samples with high reflectivity

• Wavelength Range:

allowing for measurement of color using the very narrow

Sample Beam

can be located at any angle or placement needed for the

• Optical Systems:

causes some of the transmitted beam to deviate from the

PMT and InGaAs or

measurement of UV transmittance of sunscreens. Figure 3

for this accessory are limitless.

measurement of the diffuse transmittance of the sample.

Sample Beam

standard sample and measured sample is determined. Such

Fixed angle 6˚ - 16 mm x 20 m minimum or 22 mm

the high performance LAMBDA series of spectrometers and

standard such as an aluminum mirror or absolute, eliminating

The General Purpose Optical Bench (GPOB) is a versatile,

• Principle:

The VN Geometry allows a single reflection at the sample

Fixed angle VN – 20 mm x 20 mm

This improvement in detection can also be realized in an

Figure 8. Noise comparison PbS vs. InGaAs at 3A and 0.1s integration time.

accessory allows for the complete sample beam to be col-

Closed position

allows for measurement of specular reflectance from sam-

• Principle:

familiar and versatile is the 150 mm integrating sphere.

Double Beam (active reference) mode in either specular

for the measurement of optical materials, including high

• General Purpose Optical Bench Accessories

reflectance can be calculated from the total and diffuse

60 mm Sphere Reflectance: 150 x 150 mm

The LAMBDA 1050, 950 and 850 series spectrometers are the

This brochure highlights a series of integrating sphere and

This accessory allows for users to make a wide variety of

included 8˚/hemispherical or specular excluded geometry.

accepts a number of optional components which allow users

and other optical elements to allow for various user

and the generation of erroneous data. The design provides

roughness (microns).

be used to exclude the normally transmitted beam from the

PMT and InGaAs or

beam direction to deviate or cause the beam to diverge or

sample

convenience and are designed for analysis of coatings and

performance series spectrometers, including:

diffuse transmittance at normal (0˚) incidence. Specular

• Maximum Sample Size:

modes. With the increased sensitivity of the LAMBDA 1050,

instruments available.

rms plates are the same thickness and material and should

reflectance accessories require careful optical alignment with

sample plate that is commonly used as a substrate for the

or transmitted light of virtually any sample. The applications

second sample compartment is customizable to a variety of

60 mm Sphere Accessory

which is removed after establishing the 100% versus wave-

ports.

Applications for the GPOB are limitless. The accessory can

3-stage Peltier cooled InGaAs

Reflectance measurements include total and diffuse reflec-

200-2500 nm (Spectralon )

components. Measurements at 6˚ allow for this information

Variable Angle (15˚ - 70˚) - 30 mm x 30 mm minimum,

contamination of specular standards. The use of calibrated

Figure 18. VN geometry.

have roughly the same absorbance. As the surface roughness

the instrument's detector. Replacing the standard detector

integrating sphere accessory. Both the 2 μm rms and 6 μm

Some of these accessories, such as the VN and VW specular

Integrating spheres are essential accessories for measuring

of geometries. The GPOB facilitates the use of optical kits of

Of all of the PerkinElmer/Labsphere® accessories, the most

• Principle:

Reflectance measurements using 0˚/45˚ geometry are common

Collection Mirror

material. This is typically the case in QA/QC environments.

• Wavelength Range:

tance at a near-normal incident angle of 8˚, and total and

1000-3200 nm (Infragold )

to configure the incident light beam to perform measurement

specified measurement configurations

transmittance of a scattering sample is measured without an

reside in the sample compartment of the spectrometer.

This accessory is the primary instrument used in the charac-

Extended Range PMT – PbS (L6020204)

accessory. Figure 3 shows the error, which will occur if the

A number of spectroscopy accessories are available that

but if required, the diffuse reflectance (specular excluded)

Figure 7. Reflectance specular excluded.

detectors as all of the detector area is always illuminated.

Transmission Port Reflectance Port with

for small samples, especially at higher angles of incidence.

• Minimum Sample Size:

sphere at the transmission port and the light passes through

Figure 4. Total transmittance.

the transmittance or reflectance of any sample that scatters

mirrors, lenses, baffles, diaphragms, and a collection sphere

Spectralon® collection sphere and a ruled optical bench that

Ruled optical bench with reflectors, lenses, diaphragms

Two 1-inch 94% uncalibrated Infragold® reflectance standards

®

industry standard for ultra high performance, flexibility and

related accessories specifically designed for the LAMBDA high

lines. A carefully designed baffle set prevents first strikes

Figure 3. Frosted PMMA plate measurements, plates defined by surface

may miss the instrument detector resulting in an artificially

Specular Component

terization of the reflectance properties of optical materials

Extended Range PMT – InGaAs (L6020322)

correction with a suitable “blank” planar specular surface

Fixed angle 6˚ and 45˚ incidence offer upward viewing

spheres are used for samples with a significant diffuse reflec-

Specular light port PbS Detectors

a "pass/fail" situation is often all that is required in quality

diameter for spherical samples

Prealigned and prefocused for quick replacement and maximum uptime.

For extremely sensitive and accurate measurements on highly absorbing

Source Doubling Mirror (LAMBDA 1050 only) for ultra-high sensitivity.

samples.

The four segment design provides individual blank readings for sample

10. High-sensitivity PMT, 3-stage Peltier Cooled InGaAs and

Allows precise adjustment of beam height to match samples of different

Provides full range UV/Vis/NIR coverage from 175 to 3300 nm

Corrects for inherent instrument polarization to allow accurate measure-

Houses a range of snap-in sampling modules including transmission optics

Applications

• Analyse des revêtements
• Protection solaire
• Propriétés de réflectance des écrans plats

Conformités et normes