PL IRAPO for Multiphoton Imaging and CARS

State: Out of stock

Whereas PL APO objectives are corrected in the visible wavelength range, with the PL IRAPO objectives a new set of specialized objectives is now available for improved multiphoton imaging (MP). The IR Apochromats are color corrected from at least 700 nm up to 1300 nm and highly transmissive in the visible and infrared wavelength ranges with > 85 % transmission from 470 – 1200 nm. Thus they are ideal for non-linear imaging like multicolor multiphoton imaging including excitation with OPO (optical parametric oscillator), and CARS (Coherent Anti-Stokes Raman Scattering).

Warranty: No warranty infomation

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Leica Apochromats

Leica apochromats are objectives for applications with highest specifications in the visual range and beyond, offering field flatness up to 25 mm.

The absolute values of the focus differences for the red wavelength and the blue wavelength to greenwavelength (3 colors) are ≤ 1.0 x depth of field of the objective.

Objective Classes

Objectives are categorized into performance classes on the basis of their transmission, chromatic correction, planarity, and others. From the point of view of the International Organization of Standardization (ISO), there are three groups of objective classes differing in quality of chromatic correction.

Objective Class	Field Flatness	Absolute Value(s) of Focus	Application
Achromats	up to 23 mm	between red and blue wavelength (2 colors) is ≤ 2x depth of field	for standard applications in the visual spectral range
Semi-Apochromats	up to 25 mm	for red wavelength and blue to green wavelength (3 colors) are ≤ 2.5x depth of field	for applications in the visual spectral range with higher specifications
Apochromats	up to 25 mm	for red wavelength and blue to green wavelength (3 colors) are ≤ 1x depth of field	for applications with highest specifications in the visual range and beyond

Depth of field:

Leica Microsystems has aligned all three performance classes of its range of objectives to the needs of its customers and the specific requirements of a wide variety of applications – while offering a convincing price-performance ratio.